diff --git a/src/tools/CMakeLists.txt b/src/tools/CMakeLists.txt
index c5017b5a9ae..150a412f8f7 100644
--- a/src/tools/CMakeLists.txt
+++ b/src/tools/CMakeLists.txt
@@ -9,6 +9,7 @@
 # implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
 
 add_subdirectory(connection_patcher)
+add_subdirectory(extractor_common)
 add_subdirectory(map_extractor)
 add_subdirectory(vmap4_assembler)
 add_subdirectory(vmap4_extractor)
diff --git a/src/tools/extractor_common/CMakeLists.txt b/src/tools/extractor_common/CMakeLists.txt
new file mode 100644
index 00000000000..50cc20c9682
--- /dev/null
+++ b/src/tools/extractor_common/CMakeLists.txt
@@ -0,0 +1,21 @@
+# Copyright (C) 2008-2017 TrinityCore <http://www.trinitycore.org/>
+#
+# This file is free software; as a special exception the author gives
+# unlimited permission to copy and/or distribute it, with or without
+# modifications, as long as this notice is preserved.
+#
+# This program is distributed in the hope that it will be useful, but
+# WITHOUT ANY WARRANTY, to the extent permitted by law; without even the
+# implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
+
+CollectSourceFiles(
+  ${CMAKE_CURRENT_SOURCE_DIR}
+  PRIVATE_SOURCES)
+
+add_library(extractor_common STATIC ${PRIVATE_SOURCES})
+
+target_link_libraries(extractor_common boost casc)
+
+target_include_directories(extractor_common
+  PUBLIC
+    ${CMAKE_CURRENT_SOURCE_DIR})
diff --git a/src/tools/extractor_common/CascHandles.cpp b/src/tools/extractor_common/CascHandles.cpp
new file mode 100644
index 00000000000..9624a1ca149
--- /dev/null
+++ b/src/tools/extractor_common/CascHandles.cpp
@@ -0,0 +1,101 @@
+/*
+ * Copyright (C) 2008-2017 TrinityCore <http://www.trinitycore.org/>
+ *
+ * This program is free software; you can redistribute it and/or modify it
+ * under the terms of the GNU General Public License as published by the
+ * Free Software Foundation; either version 2 of the License, or (at your
+ * option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful, but WITHOUT
+ * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+ * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
+ * more details.
+ *
+ * You should have received a copy of the GNU General Public License along
+ * with this program. If not, see <http://www.gnu.org/licenses/>.
+ */
+
+#include "CascHandles.h"
+#include "CascLib.h"
+#include <boost/filesystem/operations.hpp>
+
+namespace
+{
+    const char* HumanReadableCASCError(int error)
+    {
+        switch (error)
+        {
+            case ERROR_SUCCESS: return "SUCCESS";
+            case ERROR_FILE_CORRUPT: return "FILE_CORRUPT";
+            case ERROR_CAN_NOT_COMPLETE: return "CAN_NOT_COMPLETE";
+            case ERROR_HANDLE_EOF: return "HANDLE_EOF";
+            case ERROR_NO_MORE_FILES: return "NO_MORE_FILES";
+            case ERROR_BAD_FORMAT: return "BAD_FORMAT";
+            case ERROR_INSUFFICIENT_BUFFER: return "INSUFFICIENT_BUFFER";
+            case ERROR_ALREADY_EXISTS: return "ALREADY_EXISTS";
+            case ERROR_DISK_FULL: return "DISK_FULL";
+            case ERROR_INVALID_PARAMETER: return "INVALID_PARAMETER";
+            case ERROR_NOT_SUPPORTED: return "NOT_SUPPORTED";
+            case ERROR_NOT_ENOUGH_MEMORY: return "NOT_ENOUGH_MEMORY";
+            case ERROR_INVALID_HANDLE: return "INVALID_HANDLE";
+            case ERROR_ACCESS_DENIED: return "ACCESS_DENIED";
+            case ERROR_FILE_NOT_FOUND: return "FILE_NOT_FOUND";
+            default: return "UNKNOWN";
+        }
+    }
+}
+
+void CASC::StorageDeleter::operator()(HANDLE handle)
+{
+    if (handle != nullptr && handle != INVALID_HANDLE_VALUE)
+        ::CascCloseStorage(handle);
+}
+
+void CASC::FileDeleter::operator()(HANDLE handle)
+{
+    if (handle != nullptr && handle != INVALID_HANDLE_VALUE)
+        ::CascCloseFile(handle);
+}
+
+CASC::StorageHandle CASC::OpenStorage(boost::filesystem::path const& path, DWORD localeMask)
+{
+    HANDLE handle = nullptr;
+    if (!::CascOpenStorage(path.string().c_str(), localeMask, &handle))
+    {
+        DWORD lastError = GetLastError(); // support checking error set by *Open* call, not the next *Close*
+        printf("Error opening casc storage '%s': %s\n", path.string().c_str(), HumanReadableCASCError(lastError));
+        CascCloseStorage(handle);
+        SetLastError(lastError);
+        return StorageHandle();
+    }
+
+    printf("Opened casc storage '%s'\n", path.string().c_str());
+    return StorageHandle(handle);
+}
+
+CASC::FileHandle CASC::OpenFile(StorageHandle const& storage, char const* fileName, DWORD localeMask, bool printErrors /*= false*/)
+{
+    HANDLE handle = nullptr;
+    if (!::CascOpenFile(storage.get(), fileName, localeMask, 0, &handle))
+    {
+        DWORD lastError = GetLastError(); // support checking error set by *Open* call, not the next *Close*
+        if (printErrors)
+            fprintf(stderr, "Failed to open '%s' in CASC storage: %s\n", fileName, HumanReadableCASCError(lastError));
+
+        CascCloseFile(handle);
+        SetLastError(lastError);
+        return FileHandle();
+    }
+
+    return FileHandle(handle);
+}
+
+DWORD CASC::GetFileSize(FileHandle const& file, PDWORD fileSizeHigh)
+{
+    return ::CascGetFileSize(file.get(), fileSizeHigh);
+}
+
+bool CASC::ReadFile(FileHandle const& file, void* buffer, DWORD bytes, PDWORD bytesRead)
+{
+    return ::CascReadFile(file.get(), buffer, bytes, bytesRead);
+}
diff --git a/src/tools/extractor_common/CascHandles.h b/src/tools/extractor_common/CascHandles.h
new file mode 100644
index 00000000000..455306ad5e0
--- /dev/null
+++ b/src/tools/extractor_common/CascHandles.h
@@ -0,0 +1,56 @@
+/*
+ * Copyright (C) 2008-2017 TrinityCore <http://www.trinitycore.org/>
+ *
+ * This program is free software; you can redistribute it and/or modify it
+ * under the terms of the GNU General Public License as published by the
+ * Free Software Foundation; either version 2 of the License, or (at your
+ * option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful, but WITHOUT
+ * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+ * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
+ * more details.
+ *
+ * You should have received a copy of the GNU General Public License along
+ * with this program. If not, see <http://www.gnu.org/licenses/>.
+ */
+
+#ifndef CascHandles_h__
+#define CascHandles_h__
+
+#include "CascPort.h"
+#include <memory>
+
+namespace boost
+{
+    namespace filesystem
+    {
+        class path;
+    }
+}
+
+namespace CASC
+{
+    struct StorageDeleter
+    {
+        typedef HANDLE pointer;
+        void operator()(HANDLE handle);
+    };
+
+    struct FileDeleter
+    {
+        typedef HANDLE pointer;
+        void operator()(HANDLE handle);
+    };
+
+    typedef std::unique_ptr<HANDLE, StorageDeleter> StorageHandle;
+    typedef std::unique_ptr<HANDLE, FileDeleter> FileHandle;
+
+    StorageHandle OpenStorage(boost::filesystem::path const& path, DWORD localeMask);
+
+    FileHandle OpenFile(StorageHandle const& storage, char const* fileName, DWORD localeMask, bool printErrors = false);
+    DWORD GetFileSize(FileHandle const& file, PDWORD fileSizeHigh);
+    bool ReadFile(FileHandle const& file, void* buffer, DWORD bytes, PDWORD bytesRead);
+}
+
+#endif // CascHandles_h__
diff --git a/src/tools/map_extractor/CMakeLists.txt b/src/tools/map_extractor/CMakeLists.txt
index 0d928c22d84..3cf7dab9ea0 100644
--- a/src/tools/map_extractor/CMakeLists.txt
+++ b/src/tools/map_extractor/CMakeLists.txt
@@ -29,7 +29,7 @@ target_include_directories(mapextractor
 target_link_libraries(mapextractor
   PUBLIC
     common
-    casc)
+    extractor_common)
 
 CollectIncludeDirectories(
   ${CMAKE_CURRENT_SOURCE_DIR}
diff --git a/src/tools/map_extractor/DB2.cpp b/src/tools/map_extractor/DB2.cpp
index 9b672a90860..fca95476edb 100644
--- a/src/tools/map_extractor/DB2.cpp
+++ b/src/tools/map_extractor/DB2.cpp
@@ -41,7 +41,7 @@ DB2FileLoader::DB2FileLoader()
     fields = nullptr;
 }
 
-bool DB2FileLoader::Load(HANDLE db2Handle, DB2Meta const* meta)
+bool DB2FileLoader::Load(CASC::FileHandle const& db2Handle, DB2Meta const* meta_)
 {
     if (data)
     {
@@ -50,9 +50,9 @@ bool DB2FileLoader::Load(HANDLE db2Handle, DB2Meta const* meta)
     }
 
     DWORD bytesRead = 0;
-    this->meta = meta;
+    meta = meta_;
     std::uint32_t header;
-    CascReadFile(db2Handle, &header, sizeof(header), &bytesRead);
+    CASC::ReadFile(db2Handle, &header, sizeof(header), &bytesRead);
     if (bytesRead != sizeof(header))                        // Signature
         return false;
 
@@ -61,37 +61,37 @@ bool DB2FileLoader::Load(HANDLE db2Handle, DB2Meta const* meta)
     if (header != 0x35424457)
         return false;                                       //'WDB5'
 
-    CascReadFile(db2Handle, &recordCount, sizeof(recordCount), &bytesRead);
+    CASC::ReadFile(db2Handle, &recordCount, sizeof(recordCount), &bytesRead);
     if (bytesRead != sizeof(recordCount))                   // Number of records
         return false;
 
     EndianConvert(recordCount);
 
-    CascReadFile(db2Handle, &fieldCount, sizeof(fieldCount), &bytesRead);
+    CASC::ReadFile(db2Handle, &fieldCount, sizeof(fieldCount), &bytesRead);
     if (bytesRead != sizeof(fieldCount))                    // Number of fields
         return false;
 
     EndianConvert(fieldCount);
 
-    CascReadFile(db2Handle, &recordSize, sizeof(recordSize), &bytesRead);
+    CASC::ReadFile(db2Handle, &recordSize, sizeof(recordSize), &bytesRead);
     if (bytesRead != sizeof(recordSize))                    // Size of a record
         return false;
 
     EndianConvert(recordSize);
 
-    CascReadFile(db2Handle, &stringSize, sizeof(stringSize), &bytesRead);
+    CASC::ReadFile(db2Handle, &stringSize, sizeof(stringSize), &bytesRead);
     if (bytesRead != sizeof(stringSize))                    // String size
         return false;
 
     EndianConvert(stringSize);
 
-    CascReadFile(db2Handle, &tableHash, sizeof(tableHash), &bytesRead);
+    CASC::ReadFile(db2Handle, &tableHash, sizeof(tableHash), &bytesRead);
     if (bytesRead != sizeof(tableHash))                     // Table hash
         return false;
 
     EndianConvert(tableHash);
 
-    CascReadFile(db2Handle, &layoutHash, sizeof(layoutHash), &bytesRead);
+    CASC::ReadFile(db2Handle, &layoutHash, sizeof(layoutHash), &bytesRead);
     if (bytesRead != sizeof(layoutHash))                    // Layout hash
         return false;
 
@@ -100,41 +100,41 @@ bool DB2FileLoader::Load(HANDLE db2Handle, DB2Meta const* meta)
 
     EndianConvert(layoutHash);
 
-    CascReadFile(db2Handle, &minIndex, sizeof(minIndex), &bytesRead);
+    CASC::ReadFile(db2Handle, &minIndex, sizeof(minIndex), &bytesRead);
     if (bytesRead != sizeof(minIndex))                      // MinIndex WDB2
         return false;
 
     EndianConvert(minIndex);
 
-    CascReadFile(db2Handle, &maxIndex, sizeof(maxIndex), &bytesRead);
+    CASC::ReadFile(db2Handle, &maxIndex, sizeof(maxIndex), &bytesRead);
     if (bytesRead != sizeof(maxIndex))                      // MaxIndex WDB2
         return false;
 
     EndianConvert(maxIndex);
 
-    CascReadFile(db2Handle, &localeMask, sizeof(localeMask), &bytesRead);
+    CASC::ReadFile(db2Handle, &localeMask, sizeof(localeMask), &bytesRead);
     if (bytesRead != sizeof(localeMask))                    // Locales
         return false;
 
     EndianConvert(localeMask);
 
-    CascReadFile(db2Handle, &copyIdSize, sizeof(copyIdSize), &bytesRead);
+    CASC::ReadFile(db2Handle, &copyIdSize, sizeof(copyIdSize), &bytesRead);
     if (bytesRead != sizeof(copyIdSize))
         return false;
 
     EndianConvert(copyIdSize);
 
-    CascReadFile(db2Handle, &metaFlags, sizeof(metaFlags), &bytesRead);
+    CASC::ReadFile(db2Handle, &metaFlags, sizeof(metaFlags), &bytesRead);
     if (bytesRead != sizeof(metaFlags))
         return false;
 
     EndianConvert(metaFlags);
 
     ASSERT((metaFlags & 0x1) == 0);
-    ASSERT((meta->IndexField == -1) || (meta->IndexField == (metaFlags >> 16)));
+    ASSERT((meta->IndexField == -1) || (meta->IndexField == int32((metaFlags >> 16))));
 
     fields = new FieldEntry[fieldCount];
-    CascReadFile(db2Handle, fields, fieldCount * sizeof(FieldEntry), &bytesRead);
+    CASC::ReadFile(db2Handle, fields, fieldCount * sizeof(FieldEntry), &bytesRead);
     if (bytesRead != fieldCount * sizeof(FieldEntry))
         return false;
 
@@ -144,14 +144,14 @@ bool DB2FileLoader::Load(HANDLE db2Handle, DB2Meta const* meta)
     data = new unsigned char[recordSize * recordCount + stringSize];
     stringTable = data + recordSize * recordCount;
 
-    CascReadFile(db2Handle, data, recordSize * recordCount + stringSize, &bytesRead);
+    CASC::ReadFile(db2Handle, data, recordSize * recordCount + stringSize, &bytesRead);
     if (bytesRead != recordSize * recordCount + stringSize)
         return false;
 
     if (idTableSize)
     {
         idTable = new unsigned char[idTableSize];
-        CascReadFile(db2Handle, idTable, idTableSize, &bytesRead);
+        CASC::ReadFile(db2Handle, idTable, idTableSize, &bytesRead);
         if (bytesRead != idTableSize)
             return false;
     }
@@ -159,7 +159,7 @@ bool DB2FileLoader::Load(HANDLE db2Handle, DB2Meta const* meta)
     if (copyIdSize)
     {
         copyTable = new unsigned char[copyIdSize];
-        CascReadFile(db2Handle, copyTable, copyIdSize, &bytesRead);
+        CASC::ReadFile(db2Handle, copyTable, copyIdSize, &bytesRead);
         if (bytesRead != copyIdSize)
             return false;
     }
diff --git a/src/tools/map_extractor/DB2.h b/src/tools/map_extractor/DB2.h
index 1addfa365f7..3d2574b8d4f 100644
--- a/src/tools/map_extractor/DB2.h
+++ b/src/tools/map_extractor/DB2.h
@@ -22,6 +22,7 @@
 #ifdef PLATFORM_WINDOWS
 #undef PLATFORM_WINDOWS
 #endif
+#include "CascHandles.h"
 #include "CascLib.h"
 #include "Utilities/ByteConverter.h"
 #include "Errors.h"
@@ -32,7 +33,7 @@ class DB2FileLoader
     DB2FileLoader();
     ~DB2FileLoader();
 
-    bool Load(HANDLE db2Handle, DB2Meta const* meta);
+    bool Load(CASC::FileHandle const& db2Handle, DB2Meta const* meta);
 
     class Record
     {
diff --git a/src/tools/map_extractor/System.cpp b/src/tools/map_extractor/System.cpp
index 70f334a0956..fb25887dfbe 100644
--- a/src/tools/map_extractor/System.cpp
+++ b/src/tools/map_extractor/System.cpp
@@ -34,6 +34,7 @@
 #endif
 #include "DBFilesClientList.h"
 #include "CascLib.h"
+#include "CascHandles.h"
 #include "DB2.h"
 #include "Banner.h"
 #include "StringFormat.h"
@@ -67,7 +68,7 @@ namespace
     }
 }
 
-HANDLE CascStorage = NULL;
+CASC::StorageHandle CascStorage;
 
 typedef struct
 {
@@ -259,8 +260,8 @@ uint32 ReadBuild(int locale)
     std::string filename = Trinity::StringFormat("component.wow-%s.txt", localeNames[locale]);
     //printf("Read %s file... ", filename.c_str());
 
-    HANDLE dbcFile;
-    if (!CascOpenFile(CascStorage, filename.c_str(), CASC_LOCALE_ALL, 0, &dbcFile))
+    CASC::FileHandle dbcFile = CASC::OpenFile(CascStorage, filename.c_str(), CASC_LOCALE_ALL);
+    if (!dbcFile)
     {
         printf("Locale %s not installed.\n", localeNames[locale]);
         return 0;
@@ -268,7 +269,7 @@ uint32 ReadBuild(int locale)
 
     char buff[512];
     DWORD readBytes = 0;
-    CascReadFile(dbcFile, buff, 512, &readBytes);
+    CASC::ReadFile(dbcFile, buff, 512, &readBytes);
     if (!readBytes)
     {
         printf("Fatal error: Not found %s file!\n", filename.c_str());
@@ -276,7 +277,6 @@ uint32 ReadBuild(int locale)
     }
 
     std::string text = std::string(buff, readBytes);
-    CascCloseFile(dbcFile);
 
     size_t pos = text.find("version=\"");
     size_t pos1 = pos + strlen("version=\"");
@@ -303,10 +303,9 @@ void ReadMapDBC()
 {
     printf("Read Map.dbc file... ");
 
-    HANDLE dbcFile;
-    if (!CascOpenFile(CascStorage, "DBFilesClient\\Map.db2", CASC_LOCALE_NONE, 0, &dbcFile))
+    CASC::FileHandle dbcFile = CASC::OpenFile(CascStorage, "DBFilesClient\\Map.db2", CASC_LOCALE_NONE, true);
+    if (!dbcFile)
     {
-        printf("Fatal error: Cannot find Map.dbc in archive! %s\n", HumanReadableCASCError(GetLastError()));
         exit(1);
     }
 
@@ -353,17 +352,15 @@ void ReadMapDBC()
         }
     }
 
-    CascCloseFile(dbcFile);
     printf("Done! (" SZFMTD " maps loaded)\n", map_ids.size());
 }
 
 void ReadLiquidTypeTableDBC()
 {
     printf("Read LiquidType.dbc file...");
-    HANDLE dbcFile;
-    if (!CascOpenFile(CascStorage, "DBFilesClient\\LiquidType.db2", CASC_LOCALE_NONE, 0, &dbcFile))
+    CASC::FileHandle dbcFile = CASC::OpenFile(CascStorage, "DBFilesClient\\LiquidType.db2", CASC_LOCALE_NONE, true);
+    if (!dbcFile)
     {
-        printf("Fatal error: Cannot find LiquidType.dbc in archive! %s\n", HumanReadableCASCError(GetLastError()));
         exit(1);
     }
 
@@ -390,7 +387,6 @@ void ReadLiquidTypeTableDBC()
     for (uint32 x = 0; x < db2.GetNumRowCopies(); ++x)
         LiqType[db2.GetRowCopy(x).second] = LiqType[db2.GetRowCopy(x).first];
 
-    CascCloseFile(dbcFile);
     printf("Done! (" SZFMTD " LiqTypes loaded)\n", LiqType.size());
 }
 
@@ -1141,7 +1137,7 @@ void ExtractMaps(uint32 build)
     printf("\n");
 }
 
-bool ExtractFile(HANDLE fileInArchive, std::string filename)
+bool ExtractFile(CASC::FileHandle const& fileInArchive, std::string filename)
 {
     FILE* output = fopen(filename.c_str(), "wb");
     if (!output)
@@ -1155,7 +1151,7 @@ bool ExtractFile(HANDLE fileInArchive, std::string filename)
 
     while (readBytes > 0)
     {
-        CascReadFile(fileInArchive, buffer, sizeof(buffer), &readBytes);
+        CASC::ReadFile(fileInArchive, buffer, sizeof(buffer), &readBytes);
         if (readBytes > 0)
             fwrite(buffer, 1, readBytes, output);
     }
@@ -1181,19 +1177,16 @@ void ExtractDBFilesClient(int l)
     uint32 index = 0;
     uint32 count = 0;
     char const* fileName = DBFilesClientList[index];
-    HANDLE dbcFile;
     while (fileName)
     {
         std::string filename = fileName;
-        if (CascOpenFile(CascStorage, filename.c_str(), WowLocaleToCascLocaleFlags[l], 0, &dbcFile))
+        if (CASC::FileHandle dbcFile = CASC::OpenFile(CascStorage, filename.c_str(), CASC_LOCALE_NONE))
         {
             filename = outputPath + filename.substr(filename.rfind('\\') + 1);
 
             if (!boost::filesystem::exists(filename))
                 if (ExtractFile(dbcFile, filename))
                     ++count;
-
-            CascCloseFile(dbcFile);
         }
         else
             printf("Unable to open file %s in the archive for locale %s: %s\n", fileName, localeNames[l], HumanReadableCASCError(GetLastError()));
@@ -1254,19 +1247,16 @@ void ExtractGameTables()
     uint32 index = 0;
     uint32 count = 0;
     char const* fileName = GameTables[index];
-    HANDLE dbcFile;
     while (fileName)
     {
         std::string filename = fileName;
-        if (CascOpenFile(CascStorage, filename.c_str(), CASC_LOCALE_NONE, 0, &dbcFile))
+        if (CASC::FileHandle dbcFile = CASC::OpenFile(CascStorage, filename.c_str(), CASC_LOCALE_NONE))
         {
             filename = outputPath + filename.substr(filename.rfind('\\') + 1);
 
             if (!boost::filesystem::exists(filename))
                 if (ExtractFile(dbcFile, filename))
                     ++count;
-
-            CascCloseFile(dbcFile);
         }
         else
             printf("Unable to open file %s in the archive: %s\n", fileName, HumanReadableCASCError(GetLastError()));
@@ -1282,12 +1272,13 @@ bool OpenCascStorage(int locale)
     try
     {
         boost::filesystem::path const storage_dir(boost::filesystem::canonical(input_path) / "Data");
-        if (!CascOpenStorage(storage_dir.string().c_str(), WowLocaleToCascLocaleFlags[locale], &CascStorage))
+        CascStorage = CASC::OpenStorage(storage_dir, WowLocaleToCascLocaleFlags[locale]);
+        if (!CascStorage)
         {
-            printf("error opening casc storage '%s' locale %s: %s\n", storage_dir.string().c_str(), localeNames[locale], HumanReadableCASCError(GetLastError()));
+            printf("error opening casc storage '%s' locale %s\n", storage_dir.string().c_str(), localeNames[locale]);
             return false;
         }
-        printf("opened casc storage '%s' locale %s\n", storage_dir.string().c_str(), localeNames[locale]);
+
         return true;
     }
     catch (boost::filesystem::filesystem_error& error)
@@ -1327,7 +1318,7 @@ int main(int argc, char * arg[])
             build = ReadBuild(i);
             if (!build)
             {
-                CascCloseStorage(CascStorage);
+                CascStorage.reset();
                 continue;
             }
 
@@ -1339,13 +1330,13 @@ int main(int argc, char * arg[])
         uint32 tempBuild = ReadBuild(i);
         if (!tempBuild)
         {
-            CascCloseStorage(CascStorage);
+            CascStorage.reset();
             continue;
         }
 
         printf("Detected client build %u for locale %s\n\n", tempBuild, localeNames[i]);
         ExtractDBFilesClient(i);
-        CascCloseStorage(CascStorage);
+        CascStorage.reset();
 
         if (FirstLocale < 0)
         {
@@ -1364,14 +1355,14 @@ int main(int argc, char * arg[])
     {
         OpenCascStorage(FirstLocale);
         ExtractGameTables();
-        CascCloseStorage(CascStorage);
+        CascStorage.reset();
     }
 
     if (CONF_extract & EXTRACT_MAP)
     {
         OpenCascStorage(FirstLocale);
         ExtractMaps(build);
-        CascCloseStorage(CascStorage);
+        CascStorage.reset();
     }
 
     return 0;
diff --git a/src/tools/map_extractor/loadlib.cpp b/src/tools/map_extractor/loadlib.cpp
index 5ebd61added..cb195f6b714 100644
--- a/src/tools/map_extractor/loadlib.cpp
+++ b/src/tools/map_extractor/loadlib.cpp
@@ -33,29 +33,21 @@ ChunkedFile::~ChunkedFile()
     free();
 }
 
-bool ChunkedFile::loadFile(HANDLE mpq, std::string const& fileName, bool log)
+bool ChunkedFile::loadFile(CASC::StorageHandle const& mpq, std::string const& fileName, bool log)
 {
     free();
-    HANDLE file;
-    if (!CascOpenFile(mpq, fileName.c_str(), CASC_LOCALE_ALL, 0, &file))
-    {
-        if (log)
-            printf("No such file %s\n", fileName.c_str());
+    CASC::FileHandle file = CASC::OpenFile(mpq, fileName.c_str(), CASC_LOCALE_ALL, log);
+    if (!file)
         return false;
-    }
 
-    data_size = CascGetFileSize(file, nullptr);
+    data_size = CASC::GetFileSize(file, nullptr);
     data = new uint8[data_size];
-    CascReadFile(file, data, data_size, nullptr/*bytesRead*/);
+    CASC::ReadFile(file, data, data_size, nullptr/*bytesRead*/);
     parseChunks();
     if (prepareLoadedData())
-    {
-        CascCloseFile(file);
         return true;
-    }
 
     printf("Error loading %s\n", fileName.c_str());
-    CascCloseFile(file);
     free();
 
     return false;
diff --git a/src/tools/map_extractor/loadlib/loadlib.h b/src/tools/map_extractor/loadlib/loadlib.h
index a94d7117e80..216e8d2ab86 100644
--- a/src/tools/map_extractor/loadlib/loadlib.h
+++ b/src/tools/map_extractor/loadlib/loadlib.h
@@ -23,6 +23,7 @@
 #ifdef PLATFORM_WINDOWS
 #undef PLATFORM_WINDOWS
 #endif
+#include "CascHandles.h"
 #include "CascLib.h"
 #include <map>
 #include <string>
@@ -89,7 +90,7 @@ public:
     ChunkedFile();
     virtual ~ChunkedFile();
     bool prepareLoadedData();
-    bool loadFile(HANDLE mpq, std::string const& fileName, bool log = true);
+    bool loadFile(CASC::StorageHandle const& mpq, std::string const& fileName, bool log = true);
     void free();
 
     void parseChunks();
diff --git a/src/tools/vmap4_extractor/CMakeLists.txt b/src/tools/vmap4_extractor/CMakeLists.txt
index 7c2b29bd9ce..8ef299295f8 100644
--- a/src/tools/vmap4_extractor/CMakeLists.txt
+++ b/src/tools/vmap4_extractor/CMakeLists.txt
@@ -23,7 +23,8 @@ target_link_libraries(vmap4extractor
   PUBLIC
     common
     casc
-    bzip2)
+    bzip2
+    extractor_common)
 
 CollectIncludeDirectories(
   ${CMAKE_CURRENT_SOURCE_DIR}
diff --git a/src/tools/vmap4_extractor/DB2.cpp b/src/tools/vmap4_extractor/DB2.cpp
index 9b672a90860..fca95476edb 100644
--- a/src/tools/vmap4_extractor/DB2.cpp
+++ b/src/tools/vmap4_extractor/DB2.cpp
@@ -41,7 +41,7 @@ DB2FileLoader::DB2FileLoader()
     fields = nullptr;
 }
 
-bool DB2FileLoader::Load(HANDLE db2Handle, DB2Meta const* meta)
+bool DB2FileLoader::Load(CASC::FileHandle const& db2Handle, DB2Meta const* meta_)
 {
     if (data)
     {
@@ -50,9 +50,9 @@ bool DB2FileLoader::Load(HANDLE db2Handle, DB2Meta const* meta)
     }
 
     DWORD bytesRead = 0;
-    this->meta = meta;
+    meta = meta_;
     std::uint32_t header;
-    CascReadFile(db2Handle, &header, sizeof(header), &bytesRead);
+    CASC::ReadFile(db2Handle, &header, sizeof(header), &bytesRead);
     if (bytesRead != sizeof(header))                        // Signature
         return false;
 
@@ -61,37 +61,37 @@ bool DB2FileLoader::Load(HANDLE db2Handle, DB2Meta const* meta)
     if (header != 0x35424457)
         return false;                                       //'WDB5'
 
-    CascReadFile(db2Handle, &recordCount, sizeof(recordCount), &bytesRead);
+    CASC::ReadFile(db2Handle, &recordCount, sizeof(recordCount), &bytesRead);
     if (bytesRead != sizeof(recordCount))                   // Number of records
         return false;
 
     EndianConvert(recordCount);
 
-    CascReadFile(db2Handle, &fieldCount, sizeof(fieldCount), &bytesRead);
+    CASC::ReadFile(db2Handle, &fieldCount, sizeof(fieldCount), &bytesRead);
     if (bytesRead != sizeof(fieldCount))                    // Number of fields
         return false;
 
     EndianConvert(fieldCount);
 
-    CascReadFile(db2Handle, &recordSize, sizeof(recordSize), &bytesRead);
+    CASC::ReadFile(db2Handle, &recordSize, sizeof(recordSize), &bytesRead);
     if (bytesRead != sizeof(recordSize))                    // Size of a record
         return false;
 
     EndianConvert(recordSize);
 
-    CascReadFile(db2Handle, &stringSize, sizeof(stringSize), &bytesRead);
+    CASC::ReadFile(db2Handle, &stringSize, sizeof(stringSize), &bytesRead);
     if (bytesRead != sizeof(stringSize))                    // String size
         return false;
 
     EndianConvert(stringSize);
 
-    CascReadFile(db2Handle, &tableHash, sizeof(tableHash), &bytesRead);
+    CASC::ReadFile(db2Handle, &tableHash, sizeof(tableHash), &bytesRead);
     if (bytesRead != sizeof(tableHash))                     // Table hash
         return false;
 
     EndianConvert(tableHash);
 
-    CascReadFile(db2Handle, &layoutHash, sizeof(layoutHash), &bytesRead);
+    CASC::ReadFile(db2Handle, &layoutHash, sizeof(layoutHash), &bytesRead);
     if (bytesRead != sizeof(layoutHash))                    // Layout hash
         return false;
 
@@ -100,41 +100,41 @@ bool DB2FileLoader::Load(HANDLE db2Handle, DB2Meta const* meta)
 
     EndianConvert(layoutHash);
 
-    CascReadFile(db2Handle, &minIndex, sizeof(minIndex), &bytesRead);
+    CASC::ReadFile(db2Handle, &minIndex, sizeof(minIndex), &bytesRead);
     if (bytesRead != sizeof(minIndex))                      // MinIndex WDB2
         return false;
 
     EndianConvert(minIndex);
 
-    CascReadFile(db2Handle, &maxIndex, sizeof(maxIndex), &bytesRead);
+    CASC::ReadFile(db2Handle, &maxIndex, sizeof(maxIndex), &bytesRead);
     if (bytesRead != sizeof(maxIndex))                      // MaxIndex WDB2
         return false;
 
     EndianConvert(maxIndex);
 
-    CascReadFile(db2Handle, &localeMask, sizeof(localeMask), &bytesRead);
+    CASC::ReadFile(db2Handle, &localeMask, sizeof(localeMask), &bytesRead);
     if (bytesRead != sizeof(localeMask))                    // Locales
         return false;
 
     EndianConvert(localeMask);
 
-    CascReadFile(db2Handle, &copyIdSize, sizeof(copyIdSize), &bytesRead);
+    CASC::ReadFile(db2Handle, &copyIdSize, sizeof(copyIdSize), &bytesRead);
     if (bytesRead != sizeof(copyIdSize))
         return false;
 
     EndianConvert(copyIdSize);
 
-    CascReadFile(db2Handle, &metaFlags, sizeof(metaFlags), &bytesRead);
+    CASC::ReadFile(db2Handle, &metaFlags, sizeof(metaFlags), &bytesRead);
     if (bytesRead != sizeof(metaFlags))
         return false;
 
     EndianConvert(metaFlags);
 
     ASSERT((metaFlags & 0x1) == 0);
-    ASSERT((meta->IndexField == -1) || (meta->IndexField == (metaFlags >> 16)));
+    ASSERT((meta->IndexField == -1) || (meta->IndexField == int32((metaFlags >> 16))));
 
     fields = new FieldEntry[fieldCount];
-    CascReadFile(db2Handle, fields, fieldCount * sizeof(FieldEntry), &bytesRead);
+    CASC::ReadFile(db2Handle, fields, fieldCount * sizeof(FieldEntry), &bytesRead);
     if (bytesRead != fieldCount * sizeof(FieldEntry))
         return false;
 
@@ -144,14 +144,14 @@ bool DB2FileLoader::Load(HANDLE db2Handle, DB2Meta const* meta)
     data = new unsigned char[recordSize * recordCount + stringSize];
     stringTable = data + recordSize * recordCount;
 
-    CascReadFile(db2Handle, data, recordSize * recordCount + stringSize, &bytesRead);
+    CASC::ReadFile(db2Handle, data, recordSize * recordCount + stringSize, &bytesRead);
     if (bytesRead != recordSize * recordCount + stringSize)
         return false;
 
     if (idTableSize)
     {
         idTable = new unsigned char[idTableSize];
-        CascReadFile(db2Handle, idTable, idTableSize, &bytesRead);
+        CASC::ReadFile(db2Handle, idTable, idTableSize, &bytesRead);
         if (bytesRead != idTableSize)
             return false;
     }
@@ -159,7 +159,7 @@ bool DB2FileLoader::Load(HANDLE db2Handle, DB2Meta const* meta)
     if (copyIdSize)
     {
         copyTable = new unsigned char[copyIdSize];
-        CascReadFile(db2Handle, copyTable, copyIdSize, &bytesRead);
+        CASC::ReadFile(db2Handle, copyTable, copyIdSize, &bytesRead);
         if (bytesRead != copyIdSize)
             return false;
     }
diff --git a/src/tools/vmap4_extractor/DB2.h b/src/tools/vmap4_extractor/DB2.h
index 1addfa365f7..3d2574b8d4f 100644
--- a/src/tools/vmap4_extractor/DB2.h
+++ b/src/tools/vmap4_extractor/DB2.h
@@ -22,6 +22,7 @@
 #ifdef PLATFORM_WINDOWS
 #undef PLATFORM_WINDOWS
 #endif
+#include "CascHandles.h"
 #include "CascLib.h"
 #include "Utilities/ByteConverter.h"
 #include "Errors.h"
@@ -32,7 +33,7 @@ class DB2FileLoader
     DB2FileLoader();
     ~DB2FileLoader();
 
-    bool Load(HANDLE db2Handle, DB2Meta const* meta);
+    bool Load(CASC::FileHandle const& db2Handle, DB2Meta const* meta);
 
     class Record
     {
diff --git a/src/tools/vmap4_extractor/adtfile.cpp b/src/tools/vmap4_extractor/adtfile.cpp
index d87d244247a..f4cb5b686da 100644
--- a/src/tools/vmap4_extractor/adtfile.cpp
+++ b/src/tools/vmap4_extractor/adtfile.cpp
@@ -77,7 +77,7 @@ char* GetExtension(char* FileName)
     return NULL;
 }
 
-extern HANDLE CascStorage;
+extern CASC::StorageHandle CascStorage;
 
 ADTFile::ADTFile(char* filename) : ADT(CascStorage, filename, false), nWMO(0), nMDX(0)
 {
diff --git a/src/tools/vmap4_extractor/adtfile.h b/src/tools/vmap4_extractor/adtfile.h
index 6f929038688..8d666b37686 100644
--- a/src/tools/vmap4_extractor/adtfile.h
+++ b/src/tools/vmap4_extractor/adtfile.h
@@ -19,7 +19,7 @@
 #ifndef ADT_H
 #define ADT_H
 
-#include "mpqfile.h"
+#include "cascfile.h"
 #include "wmo.h"
 #include "model.h"
 
@@ -111,7 +111,7 @@ class ADTFile
 {
 private:
     //size_t mcnk_offsets[256], mcnk_sizes[256];
-    MPQFile ADT;
+    CASCFile ADT;
     //mcell Mcell;
     std::string Adtfilename;
 public:
diff --git a/src/tools/vmap4_extractor/mpqfile.cpp b/src/tools/vmap4_extractor/cascfile.cpp
similarity index 69%
rename from src/tools/vmap4_extractor/mpqfile.cpp
rename to src/tools/vmap4_extractor/cascfile.cpp
index 87b0b5b5611..b9074d8696e 100644
--- a/src/tools/vmap4_extractor/mpqfile.cpp
+++ b/src/tools/vmap4_extractor/cascfile.cpp
@@ -1,15 +1,15 @@
-#include "mpqfile.h"
+#include "cascfile.h"
 #include <deque>
 #include <cstdio>
 
-MPQFile::MPQFile(HANDLE mpq, const char* filename, bool warnNoExist /*= true*/) :
+CASCFile::CASCFile(CASC::StorageHandle const& casc, const char* filename, bool warnNoExist /*= true*/) :
     eof(false),
     buffer(0),
     pointer(0),
     size(0)
 {
-    HANDLE file;
-    if (!CascOpenFile(mpq, filename, CASC_LOCALE_ALL, 0, &file))
+    CASC::FileHandle file = CASC::OpenFile(casc, filename, CASC_LOCALE_ALL, false);
+    if (!file)
     {
         if (warnNoExist || GetLastError() != ERROR_FILE_NOT_FOUND)
             fprintf(stderr, "Can't open %s, err=%u!\n", filename, GetLastError());
@@ -18,12 +18,11 @@ MPQFile::MPQFile(HANDLE mpq, const char* filename, bool warnNoExist /*= true*/)
     }
 
     DWORD hi = 0;
-    size = CascGetFileSize(file, &hi);
+    size = CASC::GetFileSize(file, &hi);
 
     if (hi)
     {
         fprintf(stderr, "Can't open %s, size[hi] = %u!\n", filename, uint32(hi));
-        CascCloseFile(file);
         eof = true;
         return;
     }
@@ -31,25 +30,21 @@ MPQFile::MPQFile(HANDLE mpq, const char* filename, bool warnNoExist /*= true*/)
     if (size <= 1)
     {
         fprintf(stderr, "Can't open %s, size = %u!\n", filename, uint32(size));
-        CascCloseFile(file);
         eof = true;
         return;
     }
 
     DWORD read = 0;
     buffer = new char[size];
-    if (!CascReadFile(file, buffer, size, &read) || size != read)
+    if (!CASC::ReadFile(file, buffer, size, &read) || size != read)
     {
         fprintf(stderr, "Can't read %s, size=%u read=%u!\n", filename, uint32(size), uint32(read));
-        CascCloseFile(file);
         eof = true;
         return;
     }
-
-    CascCloseFile(file);
 }
 
-size_t MPQFile::read(void* dest, size_t bytes)
+size_t CASCFile::read(void* dest, size_t bytes)
 {
     if (eof) return 0;
 
@@ -66,19 +61,19 @@ size_t MPQFile::read(void* dest, size_t bytes)
     return bytes;
 }
 
-void MPQFile::seek(int offset)
+void CASCFile::seek(int offset)
 {
     pointer = offset;
     eof = (pointer >= size);
 }
 
-void MPQFile::seekRelative(int offset)
+void CASCFile::seekRelative(int offset)
 {
     pointer += offset;
     eof = (pointer >= size);
 }
 
-void MPQFile::close()
+void CASCFile::close()
 {
     if (buffer) delete[] buffer;
     buffer = 0;
diff --git a/src/tools/vmap4_extractor/mpqfile.h b/src/tools/vmap4_extractor/cascfile.h
similarity index 81%
rename from src/tools/vmap4_extractor/mpqfile.h
rename to src/tools/vmap4_extractor/cascfile.h
index 4a283e1dd96..882ec116ca5 100644
--- a/src/tools/vmap4_extractor/mpqfile.h
+++ b/src/tools/vmap4_extractor/cascfile.h
@@ -12,6 +12,7 @@
 #include <iostream>
 #include <deque>
 #include <cstdint>
+#include "CascHandles.h"
 #include "CascLib.h"
 
 typedef int64_t            int64;
@@ -29,7 +30,7 @@ typedef uint8_t            uint8;
 int GetLastError();
 #endif
 
-class MPQFile
+class CASCFile
 {
     //MPQHANDLE handle;
     bool eof;
@@ -37,12 +38,12 @@ class MPQFile
     size_t pointer,size;
 
     // disable copying
-    MPQFile(const MPQFile &f);
-    void operator=(const MPQFile &f);
+    CASCFile(const CASCFile &f) = delete;
+    CASCFile& operator=(const CASCFile &f) = delete;
 
 public:
-    MPQFile(HANDLE mpq, const char* filename, bool warnNoExist = true);    // filenames are not case sensitive
-    ~MPQFile() { close(); }
+    CASCFile(CASC::StorageHandle const& casc, const char* filename, bool warnNoExist = true);    // filenames are not case sensitive
+    ~CASCFile() { close(); }
     size_t read(void* dest, size_t bytes);
     size_t getSize() { return size; }
     size_t getPos() { return pointer; }
diff --git a/src/tools/vmap4_extractor/gameobject_extract.cpp b/src/tools/vmap4_extractor/gameobject_extract.cpp
index 8577b9c3f98..82c0ab5b1c8 100644
--- a/src/tools/vmap4_extractor/gameobject_extract.cpp
+++ b/src/tools/vmap4_extractor/gameobject_extract.cpp
@@ -53,7 +53,7 @@ bool ExtractSingleModel(std::string& fname)
     return mdl.ConvertToVMAPModel(output.c_str());
 }
 
-extern HANDLE CascStorage;
+extern CASC::StorageHandle CascStorage;
 
 struct GameObjectDisplayInfoMeta
 {
@@ -82,13 +82,12 @@ enum ModelTypes : uint32
 bool GetHeaderMagic(std::string const& fileName, uint32* magic)
 {
     *magic = 0;
-    HANDLE file;
-    if (!CascOpenFile(CascStorage, fileName.c_str(), CASC_LOCALE_ALL, 0, &file))
+    CASC::FileHandle file = CASC::OpenFile(CascStorage, fileName.c_str(), CASC_LOCALE_ALL);
+    if (!!file)
         return false;
 
-    std::unique_ptr<HANDLE, CascFileHandleDeleter> modelFile(file);
     DWORD bytesRead = 0;
-    if (!CascReadFile(file, magic, 4, &bytesRead) || bytesRead != 4)
+    if (!CASC::ReadFile(file, magic, 4, &bytesRead) || bytesRead != 4)
         return false;
 
     return true;
@@ -97,10 +96,9 @@ bool GetHeaderMagic(std::string const& fileName, uint32* magic)
 void ExtractGameobjectModels()
 {
     printf("Extracting GameObject models...");
-    HANDLE dbcFile;
-    if (!CascOpenFile(CascStorage, "DBFilesClient\\GameObjectDisplayInfo.db2", CASC_LOCALE_NONE, 0, &dbcFile))
+    CASC::FileHandle dbcFile = CASC::OpenFile(CascStorage, "DBFilesClient\\GameObjectDisplayInfo.db2", CASC_LOCALE_NONE, true);
+    if (!dbcFile)
     {
-        printf("Fatal error: Cannot find GameObjectDisplayInfo.db2 in archive!\n");
         exit(1);
     }
 
diff --git a/src/tools/vmap4_extractor/model.cpp b/src/tools/vmap4_extractor/model.cpp
index 6906f5bed3e..e637d53b173 100644
--- a/src/tools/vmap4_extractor/model.cpp
+++ b/src/tools/vmap4_extractor/model.cpp
@@ -19,12 +19,12 @@
 #include "vmapexport.h"
 #include "model.h"
 #include "wmo.h"
-#include "mpqfile.h"
+#include "cascfile.h"
 #include <cassert>
 #include <algorithm>
 #include <cstdio>
 
-extern HANDLE CascStorage;
+extern CASC::StorageHandle CascStorage;
 
 Model::Model(std::string &filename) : filename(filename), vertices(0), indices(0)
 {
@@ -33,7 +33,7 @@ Model::Model(std::string &filename) : filename(filename), vertices(0), indices(0
 
 bool Model::open()
 {
-    MPQFile f(CascStorage, filename.c_str());
+    CASCFile f(CascStorage, filename.c_str());
 
     if (f.isEof())
     {
@@ -154,7 +154,7 @@ Vec3D fixCoordSystem2(Vec3D v)
     return Vec3D(v.x, v.z, v.y);
 }
 
-ModelInstance::ModelInstance(MPQFile& f, char const* ModelInstName, uint32 mapID, uint32 tileX, uint32 tileY, FILE *pDirfile)
+ModelInstance::ModelInstance(CASCFile& f, char const* ModelInstName, uint32 mapID, uint32 tileX, uint32 tileY, FILE *pDirfile)
     : id(0), scale(0), flags(0)
 {
     float ff[3];
diff --git a/src/tools/vmap4_extractor/model.h b/src/tools/vmap4_extractor/model.h
index 5569093bc5c..a0fd724830d 100644
--- a/src/tools/vmap4_extractor/model.h
+++ b/src/tools/vmap4_extractor/model.h
@@ -23,7 +23,7 @@
 #include "modelheaders.h"
 #include <vector>
 
-class MPQFile;
+class CASCFile;
 
 Vec3D fixCoordSystem(Vec3D v);
 
@@ -59,7 +59,7 @@ public:
     float sc;
 
     ModelInstance() : id(0), scale(0), flags(0), sc(0.0f) {}
-    ModelInstance(MPQFile& f, char const* ModelInstName, uint32 mapID, uint32 tileX, uint32 tileY, FILE* pDirfile);
+    ModelInstance(CASCFile& f, char const* ModelInstName, uint32 mapID, uint32 tileX, uint32 tileY, FILE* pDirfile);
 
 };
 
diff --git a/src/tools/vmap4_extractor/modelheaders.h b/src/tools/vmap4_extractor/modelheaders.h
index cf093e59346..6bb8b2212cb 100644
--- a/src/tools/vmap4_extractor/modelheaders.h
+++ b/src/tools/vmap4_extractor/modelheaders.h
@@ -19,7 +19,7 @@
 #ifndef MODELHEADERS_H
 #define MODELHEADERS_H
 
-#include "mpqfile.h"    // integer typedefs
+#include "cascfile.h"    // integer typedefs
 
 #pragma pack(push,1)
 
diff --git a/src/tools/vmap4_extractor/vmapexport.cpp b/src/tools/vmap4_extractor/vmapexport.cpp
index 6eddff40e14..1ec40b7bfd3 100644
--- a/src/tools/vmap4_extractor/vmapexport.cpp
+++ b/src/tools/vmap4_extractor/vmapexport.cpp
@@ -46,7 +46,7 @@
 #include "wdtfile.h"
 #include "DB2.h"
 #include "wmo.h"
-#include "mpqfile.h"
+#include "cascfile.h"
 
 #include "vmapexport.h"
 #include "Banner.h"
@@ -60,7 +60,7 @@
 
 //-----------------------------------------------------------------------------
 
-HANDLE CascStorage = NULL;
+CASC::StorageHandle CascStorage;
 
 typedef struct
 {
@@ -165,8 +165,8 @@ uint32 ReadBuild(int locale)
     std::string filename = std::string("component.wow-") + localeNames[locale] + ".txt";
     //printf("Read %s file... ", filename.c_str());
 
-    HANDLE dbcFile;
-    if (!CascOpenFile(CascStorage, filename.c_str(), CASC_LOCALE_ALL, 0, &dbcFile))
+    CASC::FileHandle dbcFile = CASC::OpenFile(CascStorage, filename.c_str(), CASC_LOCALE_ALL);
+    if (!dbcFile)
     {
         printf("Locale %s not installed.\n", localeNames[locale]);
         return 0;
@@ -174,7 +174,7 @@ uint32 ReadBuild(int locale)
 
     char buff[512];
     DWORD readBytes = 0;
-    CascReadFile(dbcFile, buff, 512, &readBytes);
+    CASC::ReadFile(dbcFile, buff, 512, &readBytes);
     if (!readBytes)
     {
         printf("Fatal error: Not found %s file!\n", filename.c_str());
@@ -182,7 +182,6 @@ uint32 ReadBuild(int locale)
     }
 
     std::string text = std::string(buff, readBytes);
-    CascCloseFile(dbcFile);
 
     size_t pos = text.find("version=\"");
     size_t pos1 = pos + strlen("version=\"");
@@ -210,12 +209,13 @@ bool OpenCascStorage(int locale)
     try
     {
         boost::filesystem::path const storage_dir(boost::filesystem::canonical(input_path) / "Data");
-        if (!CascOpenStorage(storage_dir.string().c_str(), WowLocaleToCascLocaleFlags[locale], &CascStorage))
+        CascStorage = CASC::OpenStorage(storage_dir, WowLocaleToCascLocaleFlags[locale]);
+        if (!CascStorage)
         {
-            printf("error opening casc storage '%s' locale %s: %s\n", storage_dir.string().c_str(), localeNames[locale], HumanReadableCASCError(GetLastError()));
+            printf("error opening casc storage '%s' locale %s\n", storage_dir.string().c_str(), localeNames[locale]);
             return false;
         }
-        printf("opened casc storage '%s' locale %s\n", storage_dir.string().c_str(), localeNames[locale]);
+
         return true;
     }
     catch (boost::filesystem::filesystem_error& error)
@@ -225,7 +225,6 @@ bool OpenCascStorage(int locale)
     }
 }
 
-
 // Local testing functions
 bool FileExists(const char* file)
 {
@@ -250,10 +249,9 @@ void strToLower(char* str)
 void ReadLiquidTypeTableDBC()
 {
     printf("Read LiquidType.dbc file...");
-    HANDLE dbcFile;
-    if (!CascOpenFile(CascStorage, "DBFilesClient\\LiquidType.db2", CASC_LOCALE_NONE, 0, &dbcFile))
+    CASC::FileHandle dbcFile = CASC::OpenFile(CascStorage, "DBFilesClient\\LiquidType.db2", CASC_LOCALE_NONE, true);
+    if (!dbcFile)
     {
-        printf("Fatal error: Cannot find LiquidType.dbc in archive! %s\n", HumanReadableCASCError(GetLastError()));
         exit(1);
     }
 
@@ -280,7 +278,6 @@ void ReadLiquidTypeTableDBC()
     for (uint32 x = 0; x < db2.GetNumRowCopies(); ++x)
         LiqType[db2.GetRowCopy(x).second] = LiqType[db2.GetRowCopy(x).first];
 
-    CascCloseFile(dbcFile);
     printf("Done! (" SZFMTD " LiqTypes loaded)\n", LiqType.size());
 }
 
@@ -538,7 +535,7 @@ int main(int argc, char ** argv)
         uint32 build = ReadBuild(i);
         if (!build)
         {
-            CascCloseStorage(CascStorage);
+            CascStorage.reset();
             continue;
         }
 
@@ -574,10 +571,9 @@ int main(int argc, char ** argv)
     {
         printf("Read Map.dbc file... ");
 
-        HANDLE dbcFile;
-        if (!CascOpenFile(CascStorage, "DBFilesClient\\Map.db2", CASC_LOCALE_NONE, 0, &dbcFile))
+        CASC::FileHandle dbcFile = CASC::OpenFile(CascStorage, "DBFilesClient\\Map.db2", CASC_LOCALE_NONE, true);
+        if (!dbcFile)
         {
-            printf("Fatal error: Cannot find Map.dbc in archive! %s\n", HumanReadableCASCError(GetLastError()));
             exit(1);
         }
 
@@ -624,12 +620,11 @@ int main(int argc, char ** argv)
             }
         }
 
-        CascCloseFile(dbcFile);
         printf("Done! (" SZFMTD " maps loaded)\n", map_ids.size());
         ParsMapFiles();
     }
 
-    CascCloseStorage(CascStorage);
+    CascStorage.reset();
 
     printf("\n");
     if (!success)
diff --git a/src/tools/vmap4_extractor/wdtfile.cpp b/src/tools/vmap4_extractor/wdtfile.cpp
index 3c6b5744cf4..ce2e98886bf 100644
--- a/src/tools/vmap4_extractor/wdtfile.cpp
+++ b/src/tools/vmap4_extractor/wdtfile.cpp
@@ -30,7 +30,7 @@ char * wdtGetPlainName(char * FileName)
     return FileName;
 }
 
-extern HANDLE CascStorage;
+extern CASC::StorageHandle CascStorage;
 
 WDTFile::WDTFile(char* file_name, char* file_name1):WDT(CascStorage, file_name), gnWMO(0)
 {
diff --git a/src/tools/vmap4_extractor/wdtfile.h b/src/tools/vmap4_extractor/wdtfile.h
index 8968ee2dbda..2a7d7df797c 100644
--- a/src/tools/vmap4_extractor/wdtfile.h
+++ b/src/tools/vmap4_extractor/wdtfile.h
@@ -19,7 +19,7 @@
 #ifndef WDTFILE_H
 #define WDTFILE_H
 
-#include "mpqfile.h"
+#include "cascfile.h"
 #include "wmo.h"
 #include <string>
 #include <vector>
@@ -30,7 +30,7 @@ class ADTFile;
 class WDTFile
 {
 private:
-    MPQFile WDT;
+    CASCFile WDT;
     std::string filename;
 public:
     WDTFile(char* file_name, char* file_name1);
diff --git a/src/tools/vmap4_extractor/wmo.cpp b/src/tools/vmap4_extractor/wmo.cpp
index edfb3af863f..b538da01d0e 100644
--- a/src/tools/vmap4_extractor/wmo.cpp
+++ b/src/tools/vmap4_extractor/wmo.cpp
@@ -26,7 +26,7 @@
 #include <fstream>
 #undef min
 #undef max
-#include "mpqfile.h"
+#include "cascfile.h"
 
 using namespace std;
 extern std::vector<uint16> LiqType;
@@ -39,11 +39,11 @@ WMORoot::WMORoot(std::string &filename)
     memset(bbcorn2, 0, sizeof(bbcorn2));
 }
 
-extern HANDLE CascStorage;
+extern CASC::StorageHandle CascStorage;
 
 bool WMORoot::open()
 {
-    MPQFile f(CascStorage, filename.c_str());
+    CASCFile f(CascStorage, filename.c_str());
     if(f.isEof ())
     {
         printf("No such file.\n");
@@ -177,7 +177,7 @@ WMOGroup::WMOGroup(const std::string &filename) :
 
 bool WMOGroup::open()
 {
-    MPQFile f(CascStorage, filename.c_str());
+    CASCFile f(CascStorage, filename.c_str());
     if(f.isEof ())
     {
         printf("No such file.\n");
@@ -511,7 +511,7 @@ WMOGroup::~WMOGroup()
     delete [] LiquBytes;
 }
 
-WMOInstance::WMOInstance(MPQFile& f, char const* WmoInstName, uint32 mapID, uint32 tileX, uint32 tileY, FILE* pDirfile)
+WMOInstance::WMOInstance(CASCFile& f, char const* WmoInstName, uint32 mapID, uint32 tileX, uint32 tileY, FILE* pDirfile)
     : currx(0), curry(0), wmo(NULL), doodadset(0), pos(), indx(0), id(0), d2(0), d3(0)
 {
     float ff[3];
diff --git a/src/tools/vmap4_extractor/wmo.h b/src/tools/vmap4_extractor/wmo.h
index 22784d54ddf..05bc940042a 100644
--- a/src/tools/vmap4_extractor/wmo.h
+++ b/src/tools/vmap4_extractor/wmo.h
@@ -25,7 +25,7 @@
 #include <set>
 #include <vector>
 #include "vec3d.h"
-#include "mpqfile.h"
+#include "cascfile.h"
 
 // MOPY flags
 #define WMO_MATERIAL_NOCAMCOLLIDE    0x01
@@ -38,7 +38,7 @@
 
 class WMOInstance;
 class WMOManager;
-class MPQFile;
+class CASCFile;
 
 /* for whatever reason a certain company just can't stick to one coordinate system... */
 static inline Vec3D fixCoords(const Vec3D &v){ return Vec3D(v.z, v.x, v.y); }
@@ -134,7 +134,7 @@ public:
     Vec3D pos2, pos3, rot;
     uint32 indx, id, d2, d3;
 
-    WMOInstance(MPQFile&f , char const* WmoInstName, uint32 mapID, uint32 tileX, uint32 tileY, FILE* pDirfile);
+    WMOInstance(CASCFile&f , char const* WmoInstName, uint32 mapID, uint32 tileX, uint32 tileY, FILE* pDirfile);
 
     static void reset();
 };