diff --git a/compressed_archive/7z_includes.h b/compressed_archive/7z_includes.h
index c0fcba78..34668e43 100644
--- a/compressed_archive/7z_includes.h
+++ b/compressed_archive/7z_includes.h
@@ -20,6 +20,10 @@ extern "C" {
 #include "lib7zip/CPP/7zip/IPassword.h"
 #include "lib7zip/CPP/7zip/MyVersion.h"
 
+#include "lib7zip/CPP/Windows/FileDir.h"
+#include "lib7zip/CPP/Windows/FileFind.h"
+#include "lib7zip/CPP/Windows/FileName.h"
+#include "lib7zip/CPP/Windows/NtCheck.h"
 #include "lib7zip/CPP/Windows/PropVariant.h"
 #include "lib7zip/CPP/Windows/PropVariantConv.h"
 
diff --git a/compressed_archive/7z_precompiled_header.h b/compressed_archive/7z_precompiled_header.h
deleted file mode 100644
index 4bf5402e..00000000
--- a/compressed_archive/7z_precompiled_header.h
+++ /dev/null
@@ -1,10 +0,0 @@
-#ifndef _7Z_PRECOMPILED_HEADER_H
-#define _7Z_PRECOMPILED_HEADER_H
-
-#if defined __cplusplus
-
-#include "libp7zip/CPP/myWindows/StdAfx.h"
-
-#endif
-
-#endif // 7Z_PRECOMPILED_HEADER_H
diff --git a/compressed_archive/compressed_archive.cpp b/compressed_archive/compressed_archive.cpp
index fffc2119..b17dbf2f 100644
--- a/compressed_archive/compressed_archive.cpp
+++ b/compressed_archive/compressed_archive.cpp
@@ -1,7 +1,4 @@
 #include <QtCore>
-#ifndef Q_OS_WIN
-#include "libp7zip/CPP/Common/MyInitGuid.h"
-#endif
 
 #include "compressed_archive.h"
 #include "extract_delegate.h"
@@ -15,12 +12,9 @@
 #include "extract_callbacks.h"
 
 #include "7z_includes.h"
+#include "lib7zip/CPP/Common/MyInitGuid.h"
 
-#ifdef Q_OS_WIN
 #define _MY_WINAPI WINAPI
-#else
-#define _MY_WINAPI
-#endif
 
 typedef quint32(_MY_WINAPI *CreateObjectFunc)(const GUID *clsID, const GUID *interfaceID, void **outObject);
 typedef quint32(_MY_WINAPI *GetMethodPropertyFunc)(quint32 index, PROPID propID, PROPVARIANT *value);
@@ -57,22 +51,18 @@ DEFINE_GUID(CLSID_CFormatSplit,   0x23170f69, 0x40c1, 0x278a, 0x10, 0x00, 0x00,
 DEFINE_GUID(CLSID_CFormatWim,     0x23170f69, 0x40c1, 0x278a, 0x10, 0x00, 0x00, 0x01, 0x10, 0xe6, 0x00, 0x00);
 DEFINE_GUID(CLSID_CFormatZ,       0x23170f69, 0x40c1, 0x278a, 0x10, 0x00, 0x00, 0x01, 0x10, 0x05, 0x00, 0x00);*/
 
-#ifdef Q_OS_WIN
 GUID _supportedFileFormats[] = { CLSID_CFormatRar, CLSID_CFormatZip, CLSID_CFormatTar, CLSID_CFormat7z, CLSID_CFormatArj, CLSID_CFormatRar5 };
-#else
-GUID _supportedFileFormats[] = { CLSID_CFormatZip, CLSID_CFormatTar, CLSID_CFormat7z, CLSID_CFormatArj };
-#endif
 std::vector<GUID> supportedFileFormats(_supportedFileFormats, _supportedFileFormats + sizeof(_supportedFileFormats) / sizeof(_supportedFileFormats[0]));
 
 DEFINE_GUID(IID_InArchive, 0x23170F69, 0x40C1, 0x278A, 0x00, 0x00, 0x00, 0x06, 0x00, 0x60, 0x00, 0x00);
 DEFINE_GUID(IID_ISetCompressCodecsInfoX, 0x23170F69, 0x40C1, 0x278A, 0x00, 0x00, 0x00, 0x04, 0x00, 0x61, 0x00, 0x00);
 
-/*#ifdef Q_OS_UNIX
-DEFINE_GUID(IID_IOutStream,   0x23170F69, 0x40C1, 0x278A, 0x00, 0x00, 0x00, 0x03, 0x00, 0x04, 0x00, 0x00);
-DEFINE_GUID(IID_IInStream,   0x23170F69, 0x40C1, 0x278A, 0x00, 0x00, 0x00, 0x03, 0x00, 0x03, 0x00, 0x00);
-DEFINE_GUID(IID_IStreamGetSize,   0x23170F69, 0x40C1, 0x278A, 0x00, 0x00, 0x00, 0x03, 0x00, 0x06, 0x00, 0x00);
-DEFINE_GUID(IID_ISequentialInStream,   0x23170F69, 0x40C1, 0x278A, 0x00, 0x00, 0x00, 0x03, 0x00, 0x01, 0x00, 0x00);
-#endif*/
+//#ifdef Q_OS_UNIX
+// Z7_DEFINE_GUID(IID_IOutStream, 0x23170F69, 0x40C1, 0x278A, 0x00, 0x00, 0x00, 0x03, 0x00, 0x04, 0x00, 0x00);
+// Z7_DEFINE_GUID(IID_IInStream, 0x23170F69, 0x40C1, 0x278A, 0x00, 0x00, 0x00, 0x03, 0x00, 0x03, 0x00, 0x00);
+// Z7_DEFINE_GUID(IID_IStreamGetSize, 0x23170F69, 0x40C1, 0x278A, 0x00, 0x00, 0x00, 0x03, 0x00, 0x06, 0x00, 0x00);
+// Z7_DEFINE_GUID(IID_ISequentialInStream, 0x23170F69, 0x40C1, 0x278A, 0x00, 0x00, 0x00, 0x03, 0x00, 0x01, 0x00, 0x00);
+//#endif
 
 struct SevenZipInterface {
     CreateObjectFunc createObjectFunc;
@@ -82,13 +72,6 @@ struct SevenZipInterface {
     GetHandlerPropertyFunc getHandlerPropertyFunc;
     GetHandlerPropertyFunc2 getHandlerPropertyFunc2;
     SetLargePageModeFunc setLargePageModeFunc;
-
-#ifdef Q_OS_UNIX
-    CreateObjectFunc createObjectFuncRar;
-    GetMethodPropertyFunc getMethodPropertyFuncRar;
-    GetNumberOfMethodsFunc getNumberOfMethodsFuncRar;
-#endif
-
     CMyComPtr<IInArchive> archive;
 };
 
@@ -103,10 +86,6 @@ const unsigned char arj[2] = { static_cast<unsigned char>(0x60), static_cast<uns
 
 CompressedArchive::CompressedArchive(const QString &filePath, QObject *parent)
     : QObject(parent), sevenzLib(0), valid(false), tools(false)
-#ifdef Q_OS_UNIX
-      ,
-      isRar(false)
-#endif
 {
     szInterface = new SevenZipInterface;
     // load functions
@@ -133,32 +112,6 @@ CompressedArchive::CompressedArchive(const QString &filePath, QObject *parent)
         if (!filex.open(QIODevice::ReadOnly))
             return;
         QByteArray magicNumber = filex.read(8); // read first 8 bytes
-
-#ifdef Q_OS_UNIX
-        if (memcmp(magicNumber, rar, 6) != 0) {
-            // match suffix to GUID list
-            if (memcmp(magicNumber, zip, 2) == 0)
-                i = 0;
-            else if (memcmp(magicNumber, sevenz, 6) == 0)
-                i = 2;
-            else if (memcmp(magicNumber, arj, 2) == 0)
-                i = 3;
-            else {
-                filex.seek(257);
-                magicNumber = filex.read(8);
-                if (memcmp(magicNumber, tar, 5) == 0)
-                    i = 1;
-            }
-            if (i == -1) // fallback code
-            {
-                QFileInfo fileinfo(filePath);
-                if (fileinfo.suffix() == "zip" || fileinfo.suffix() == "cbz") {
-                    i = 0;
-                } else {
-                    return;
-                }
-            }
-#else
         if (memcmp(magicNumber, rar, 6) == 0)
             if (memcmp(magicNumber, rar5, 7) == 0)
                 i = 5;
@@ -185,314 +138,188 @@ CompressedArchive::CompressedArchive(const QString &filePath, QObject *parent)
                 return;
             }
         }
-#endif
 
-#ifdef UNICODE
-            if (!fileSpec->Open((LPCTSTR)filePath.toStdWString().c_str()))
-#else
-        if (!fileSpec->Open((LPCTSTR)filePath.toStdString().c_str()))
-#endif
-            {
-                qDebug() << "unable to load" + filePath;
-                return;
-            }
-
-            // GUID uuid = supportedFileFormats[i];
-            // qDebug() << "trying : " << uuid << endl;
-            if (szInterface->createObjectFunc(&supportedFileFormats[i], &IID_InArchive, (void **)&szInterface->archive) == S_OK) {
-                // qDebug() << "Can not open archive file : " + filePath << Qt::endl;
-
-                if (szInterface->archive->Open(file, 0, openCallback) == S_OK) {
-                    valid = formatFound = true;
-                    qDebug() << "Opened archive file : " + filePath << Qt::endl;
-                    setupFilesNames();
-                    return;
-                }
-            }
-
-#ifdef Q_OS_WIN
-            if (!formatFound) {
-                qDebug() << "Can not open archive" << Qt::endl;
-            }
-        }
-    }
-#else
-    } else {
-        // RAR in macos and unix
-        GUID clsidRar;
-        if (memcmp(magicNumber, rar5, 7) == 0) {
-            clsidRar = CLSID_CFormatRar5;
-        } else {
-            clsidRar = CLSID_CFormatRar;
-        }
-
-        isRar = true; // tell the destructor we *tried* to open a rar file!
-        if (szInterface->createObjectFunc(&clsidRar, &IID_InArchive, (void **)&szInterface->archive) != S_OK) {
-            qDebug() << "Error creating rar archive :" + filePath;
-            return;
-        }
-
-        CMyComPtr<ISetCompressCodecsInfo> codecsInfo;
-
-        if (szInterface->archive->QueryInterface(IID_ISetCompressCodecsInfoX, (void **)&codecsInfo) != S_OK) {
-            qDebug() << "Error getting rar codec :" + filePath;
-            return;
-        }
-        if (codecsInfo->SetCompressCodecsInfo(this) != S_OK) {
-            qDebug() << "Error setting rar codec";
-            return;
-        }
-
-#ifdef UNICODE
+#ifdef USE_UNICODE_FSTRING
         if (!fileSpec->Open((LPCTSTR)filePath.toStdWString().c_str()))
 #else
         if (!fileSpec->Open((LPCTSTR)filePath.toStdString().c_str()))
 #endif
         {
-            qDebug() << "Error opening rar file :" + filePath;
+            qDebug() << "unable to load" + filePath;
             return;
         }
-        // qDebug() << "Can not open archive file : " + filePath << Qt::endl;
 
-        if (szInterface->archive->Open(file, 0, openCallback) == S_OK) {
-            valid = formatFound = true;
-            setupFilesNames();
-            // isRar = true;
+        // GUID uuid = supportedFileFormats[i];
+        // qDebug() << "trying : " << uuid << endl;
+        if (szInterface->createObjectFunc(&supportedFileFormats[i], &IID_InArchive, (void **)&szInterface->archive) == S_OK) {
+            // qDebug() << "Can not open archive file : " + filePath << Qt::endl;
+
+            if (szInterface->archive->Open(file, 0, openCallback) == S_OK) {
+                valid = formatFound = true;
+                qDebug() << "Opened archive file : " + filePath << Qt::endl;
+                setupFilesNames();
+                return;
+            }
+        }
+        if (!formatFound) {
+            qDebug() << "Can not open archive" << Qt::endl;
         }
     }
 }
-}
-#endif
 
-    CompressedArchive::~CompressedArchive()
-    {
-        // always close the archive!
-        if (szInterface->archive) {
-            szInterface->archive->Close();
-        }
-
-#ifdef Q_OS_UNIX
-        if (isRar) // TODO: Memory leak!!!! If AddRef is not used, a crash occurs in "delete szInterface"
-        {
-            szInterface->archive->AddRef();
-        }
-#endif
-        delete szInterface;
-
-#ifdef Q_OS_UNIX
-        delete rarLib;
-#endif
-        delete sevenzLib;
+CompressedArchive::~CompressedArchive()
+{
+    // always close the archive!
+    if (szInterface->archive) {
+        szInterface->archive->Close();
     }
 
-    bool CompressedArchive::loadFunctions()
-    {
-        // LOAD library
-        // TODO check if this works in OSX (7z.so instead of 7z.dylib)
-        //  fix1: try to load "7z.so"
-        //  fix2: rename 7z.so to 7z.dylib
-        if (sevenzLib == 0) {
-#if defined Q_OS_UNIX
-#if defined Q_OS_MACOS
-            rarLib = new QLibrary(QCoreApplication::applicationDirPath() + "/utils/Codecs/Rar");
-#else
-            // check if a yacreader specific version of p7zip exists on the system
-            QFileInfo rarCodec(QString(LIBDIR) + "/yacreader/Codecs/Rar.so");
-            if (rarCodec.exists()) {
-                rarLib = new QLibrary(rarCodec.absoluteFilePath());
-            } else {
-                rarLib = new QLibrary(QString(LIBDIR) + "/p7zip/Codecs/Rar.so");
-            }
-#endif
-            if (!rarLib->load()) {
-                qDebug() << "Error Loading Rar.so : " + rarLib->errorString() << Qt::endl;
-                QCoreApplication::exit(700); // TODO yacreader_global can't be used here, it is GUI dependant, YACReader::SevenZNotFound
-                return false;
-            }
-#endif
-#if defined Q_OS_UNIX && !defined Q_OS_MACOS
-            QFileInfo sevenzlibrary(QString(LIBDIR) + "/yacreader/7z.so");
-            if (sevenzlibrary.exists()) {
-                sevenzLib = new QLibrary(sevenzlibrary.absoluteFilePath());
-            } else {
-                sevenzLib = new QLibrary(QString(LIBDIR) + "/p7zip/7z.so");
-            }
-#else
+    delete szInterface;
+    delete sevenzLib;
+}
+
+bool CompressedArchive::loadFunctions()
+{
+    // LOAD library
+    if (sevenzLib == 0) {
         sevenzLib = new QLibrary(QCoreApplication::applicationDirPath() + "/utils/7z");
-#endif
-        }
-        if (!sevenzLib->load()) {
-            qDebug() << "Error Loading 7z.dll : " + sevenzLib->errorString() << Qt::endl;
-            QCoreApplication::exit(700); // TODO yacreader_global can't be used here, it is GUI dependant, YACReader::SevenZNotFound
-            return false;
-        } else {
-            qDebug() << "Loading functions" << Qt::endl;
+    }
+    if (!sevenzLib->load()) {
+        qDebug() << "Error Loading 7z.dll : " + sevenzLib->errorString() << Qt::endl;
+        QCoreApplication::exit(700); // TODO yacreader_global can't be used here, it is GUI dependant, YACReader::SevenZNotFound
+        return false;
+    } else {
+        qDebug() << "Loading functions" << Qt::endl;
 
-            if ((szInterface->createObjectFunc = (CreateObjectFunc)sevenzLib->resolve("CreateObject")) == 0)
-                qDebug() << "fail loading function : CreateObject" << Qt::endl;
-            if ((szInterface->getMethodPropertyFunc = (GetMethodPropertyFunc)sevenzLib->resolve("GetMethodProperty")) == 0)
-                qDebug() << "fail loading function : GetMethodProperty" << Qt::endl;
-            if ((szInterface->getNumberOfMethodsFunc = (GetNumberOfMethodsFunc)sevenzLib->resolve("GetNumberOfMethods")) == 0)
-                qDebug() << "fail loading function : GetNumberOfMethods" << Qt::endl;
-            if ((szInterface->getNumberOfFormatsFunc = (GetNumberOfFormatsFunc)sevenzLib->resolve("GetNumberOfFormats")) == 0)
-                qDebug() << "fail loading function : GetNumberOfFormats" << Qt::endl;
-            if ((szInterface->getHandlerPropertyFunc = (GetHandlerPropertyFunc)sevenzLib->resolve("GetHandlerProperty")) == 0)
-                qDebug() << "fail loading function : GetHandlerProperty" << Qt::endl;
-            if ((szInterface->getHandlerPropertyFunc2 = (GetHandlerPropertyFunc2)sevenzLib->resolve("GetHandlerProperty2")) == 0)
-                qDebug() << "fail loading function : GetHandlerProperty2" << Qt::endl;
-            if ((szInterface->setLargePageModeFunc = (SetLargePageModeFunc)sevenzLib->resolve("SetLargePageMode")) == 0)
-                qDebug() << "fail loading function : SetLargePageMode" << Qt::endl;
-
-#ifdef Q_OS_UNIX
-            if ((szInterface->createObjectFuncRar = (CreateObjectFunc)rarLib->resolve("CreateObject")) == 0)
-                qDebug() << "fail loading function (rar) : CreateObject" << Qt::endl;
-            if ((szInterface->getMethodPropertyFuncRar = (GetMethodPropertyFunc)rarLib->resolve("GetMethodProperty")) == 0)
-                qDebug() << "fail loading function (rar) : GetMethodProperty" << Qt::endl;
-            if ((szInterface->getNumberOfMethodsFuncRar = (GetNumberOfMethodsFunc)rarLib->resolve("GetNumberOfMethods")) == 0)
-                qDebug() << "fail loading function (rar) : GetNumberOfMethods" << Qt::endl;
-#endif
-        }
-
-        return true;
+        if ((szInterface->createObjectFunc = (CreateObjectFunc)sevenzLib->resolve("CreateObject")) == 0)
+            qDebug() << "fail loading function : CreateObject" << Qt::endl;
+        if ((szInterface->getMethodPropertyFunc = (GetMethodPropertyFunc)sevenzLib->resolve("GetMethodProperty")) == 0)
+            qDebug() << "fail loading function : GetMethodProperty" << Qt::endl;
+        if ((szInterface->getNumberOfMethodsFunc = (GetNumberOfMethodsFunc)sevenzLib->resolve("GetNumberOfMethods")) == 0)
+            qDebug() << "fail loading function : GetNumberOfMethods" << Qt::endl;
+        if ((szInterface->getNumberOfFormatsFunc = (GetNumberOfFormatsFunc)sevenzLib->resolve("GetNumberOfFormats")) == 0)
+            qDebug() << "fail loading function : GetNumberOfFormats" << Qt::endl;
+        if ((szInterface->getHandlerPropertyFunc = (GetHandlerPropertyFunc)sevenzLib->resolve("GetHandlerProperty")) == 0)
+            qDebug() << "fail loading function : GetHandlerProperty" << Qt::endl;
+        if ((szInterface->getHandlerPropertyFunc2 = (GetHandlerPropertyFunc2)sevenzLib->resolve("GetHandlerProperty2")) == 0)
+            qDebug() << "fail loading function : GetHandlerProperty2" << Qt::endl;
+        if ((szInterface->setLargePageModeFunc = (SetLargePageModeFunc)sevenzLib->resolve("SetLargePageMode")) == 0)
+            qDebug() << "fail loading function : SetLargePageMode" << Qt::endl;
     }
 
-    void CompressedArchive::setupFilesNames()
-    {
-        quint32 numItems = getNumEntries();
-        quint32 p = 0;
-        for (quint32 i = 0; i < numItems; i++) {
+    return true;
+}
 
-            // Get name of file
-            NWindows::NCOM::CPropVariant prop;
-            szInterface->archive->GetProperty(i, kpidIsDir, &prop);
-            bool isDir;
-            if (prop.vt == VT_BOOL)
-                isDir = VARIANT_BOOLToBool(prop.boolVal);
-            else if (prop.vt == VT_EMPTY)
-                isDir = false;
-            else
-                continue;
+void CompressedArchive::setupFilesNames()
+{
+    quint32 numItems = getNumEntries();
+    quint32 p = 0;
+    for (quint32 i = 0; i < numItems; i++) {
 
-            if (!isDir) {
-                szInterface->archive->GetProperty(i, kpidPath, &prop);
-                UString s = prop.bstrVal;
-                const wchar_t *chars = s.operator const wchar_t *();
-                files.append(QString::fromWCharArray(chars));
-                offsets.append(i);
-                indexesToPages.insert(i, p);
-                p++;
-            }
+        // Get name of file
+        NWindows::NCOM::CPropVariant prop;
+        szInterface->archive->GetProperty(i, kpidIsDir, &prop);
+        bool isDir;
+        if (prop.vt == VT_BOOL)
+            isDir = VARIANT_BOOLToBool(prop.boolVal);
+        else if (prop.vt == VT_EMPTY)
+            isDir = false;
+        else
+            continue;
+
+        if (!isDir) {
+            szInterface->archive->GetProperty(i, kpidPath, &prop);
+            UString s = prop.bstrVal;
+            const wchar_t *chars = s.operator const wchar_t *();
+            files.append(QString::fromWCharArray(chars));
+            offsets.append(i);
+            indexesToPages.insert(i, p);
+            p++;
         }
     }
+}
 
-    QVector<quint32> CompressedArchive::translateIndexes(const QVector<quint32> &indexes)
-    {
-        QVector<quint32> translatedIndexes;
+QVector<quint32> CompressedArchive::translateIndexes(const QVector<quint32> &indexes)
+{
+    QVector<quint32> translatedIndexes;
 
-        foreach (quint32 i, indexes) {
-            if (i < (quint32)offsets.length())
-                translatedIndexes.append(offsets.at(i));
-        }
-
-        return translatedIndexes;
+    foreach (quint32 i, indexes) {
+        if (i < (quint32)offsets.length())
+            translatedIndexes.append(offsets.at(i));
     }
 
-    QList<QString> CompressedArchive::getFileNames()
-    {
-        return files;
+    return translatedIndexes;
+}
+
+QList<QString> CompressedArchive::getFileNames()
+{
+    return files;
+}
+
+bool CompressedArchive::isValid()
+{
+    return valid;
+}
+
+bool CompressedArchive::toolsLoaded()
+{
+    return tools;
+}
+
+int CompressedArchive::getNumFiles()
+{
+    return files.length();
+}
+
+int CompressedArchive::getNumEntries()
+{
+    quint32 numItems = 0;
+    szInterface->archive->GetNumberOfItems(&numItems);
+    return numItems;
+}
+
+QList<QByteArray> CompressedArchive::getAllData(const QVector<quint32> &indexes, ExtractDelegate *delegate)
+{
+    YCArchiveExtractCallback *extractCallbackSpec = new YCArchiveExtractCallback(indexesToPages, true, delegate);
+    CMyComPtr<IArchiveExtractCallback> extractCallback(extractCallbackSpec);
+    extractCallbackSpec->Init(szInterface->archive, L""); // second parameter is output folder path
+    extractCallbackSpec->PasswordIsDefined = false;
+
+    QVector<quint32> currentIndexes = translateIndexes(indexes);
+
+    HRESULT result;
+    if (indexes.isEmpty())
+        result = szInterface->archive->Extract(NULL, -1, false, extractCallback);
+    else
+        result = szInterface->archive->Extract(currentIndexes.data(), currentIndexes.count(), false, extractCallback);
+    if (result != S_OK) {
+        qDebug() << "Extract Error" << Qt::endl;
     }
 
-    bool CompressedArchive::isValid()
-    {
-        return valid;
-    }
+    return extractCallbackSpec->allFiles;
+}
 
-    bool CompressedArchive::toolsLoaded()
-    {
-        return tools;
-    }
-
-    int CompressedArchive::getNumFiles()
-    {
-        return files.length();
-    }
-
-    int CompressedArchive::getNumEntries()
-    {
-        quint32 numItems = 0;
-        szInterface->archive->GetNumberOfItems(&numItems);
-        return numItems;
-    }
-
-    QList<QByteArray> CompressedArchive::getAllData(const QVector<quint32> &indexes, ExtractDelegate *delegate)
-    {
-        YCArchiveExtractCallback *extractCallbackSpec = new YCArchiveExtractCallback(indexesToPages, true, delegate);
+QByteArray CompressedArchive::getRawDataAtIndex(int index)
+{
+    if (index >= 0 && index < getNumFiles()) {
+        YCArchiveExtractCallback *extractCallbackSpec = new YCArchiveExtractCallback(indexesToPages);
         CMyComPtr<IArchiveExtractCallback> extractCallback(extractCallbackSpec);
         extractCallbackSpec->Init(szInterface->archive, L""); // second parameter is output folder path
         extractCallbackSpec->PasswordIsDefined = false;
 
-        QVector<quint32> currentIndexes = translateIndexes(indexes);
+        UInt32 indices[1];
 
-        HRESULT result;
-        if (indexes.isEmpty())
-            result = szInterface->archive->Extract(NULL, -1, false, extractCallback);
+        if (index < offsets.length())
+            indices[0] = offsets.at(index);
         else
-            result = szInterface->archive->Extract(currentIndexes.data(), currentIndexes.count(), false, extractCallback);
+            indices[0] = index;
+
+        HRESULT result = szInterface->archive->Extract(indices, 1, false, extractCallback);
         if (result != S_OK) {
             qDebug() << "Extract Error" << Qt::endl;
         }
 
-        return extractCallbackSpec->allFiles;
+        return QByteArray((char *)extractCallbackSpec->data, extractCallbackSpec->newFileSize);
     }
-
-    QByteArray CompressedArchive::getRawDataAtIndex(int index)
-    {
-        if (index >= 0 && index < getNumFiles()) {
-            YCArchiveExtractCallback *extractCallbackSpec = new YCArchiveExtractCallback(indexesToPages);
-            CMyComPtr<IArchiveExtractCallback> extractCallback(extractCallbackSpec);
-            extractCallbackSpec->Init(szInterface->archive, L""); // second parameter is output folder path
-            extractCallbackSpec->PasswordIsDefined = false;
-
-            UInt32 indices[1];
-
-            if (index < offsets.length())
-                indices[0] = offsets.at(index);
-            else
-                indices[0] = index;
-
-            HRESULT result = szInterface->archive->Extract(indices, 1, false, extractCallback);
-            if (result != S_OK) {
-                qDebug() << "Extract Error" << Qt::endl;
-            }
-
-            return QByteArray((char *)extractCallbackSpec->data, extractCallbackSpec->newFileSize);
-        }
-        return QByteArray();
-    }
-
-#ifdef Q_OS_UNIX
-
-    STDMETHODIMP CompressedArchive::GetNumMethods(UInt32 * numMethods)
-    {
-        return szInterface->getNumberOfMethodsFuncRar(numMethods);
-    }
-
-    STDMETHODIMP CompressedArchive::GetProperty(UInt32 index, PROPID propID, PROPVARIANT * value)
-    {
-        return szInterface->getMethodPropertyFuncRar(index, propID, value);
-    }
-
-    int i = 0;
-    STDMETHODIMP CompressedArchive::CreateDecoder(UInt32 index, const GUID *interfaceID, void **coder)
-    {
-        NCOM::CPropVariant propVariant;
-        szInterface->getMethodPropertyFuncRar(index, NMethodPropID::kDecoder, &propVariant);
-        return szInterface->createObjectFuncRar((const GUID *)propVariant.bstrVal, interfaceID, coder);
-    }
-
-    STDMETHODIMP CompressedArchive::CreateEncoder(UInt32 index, const GUID *interfaceID, void **coder)
-    {
-        return S_OK; // szInterface->createObjectFuncRar(&CLSID_CFormatRar,interfaceID,coder);
-    }
-
-#endif
+    return QByteArray();
+}
diff --git a/compressed_archive/compressed_archive.h b/compressed_archive/compressed_archive.h
index eb5914e6..b691527e 100644
--- a/compressed_archive/compressed_archive.h
+++ b/compressed_archive/compressed_archive.h
@@ -3,11 +3,6 @@
 
 #include <QObject>
 
-#ifdef Q_OS_UNIX
-#include "libp7zip/CPP/7zip/ICoder.h"
-#include "libp7zip/CPP/Common/MyCom.h"
-#endif
-
 class ExtractDelegate;
 
 class QLibrary;
@@ -19,32 +14,13 @@ struct SevenZipInterface;
 
 class MyCodecs;
 
-#ifdef Q_OS_UNIX
-class CompressedArchive : public QObject, public ICompressCodecsInfo, public CMyUnknownImp
-#else
 class CompressedArchive : public QObject
-#endif
 {
     Q_OBJECT
 public:
     explicit CompressedArchive(const QString &filePath, QObject *parent = 0);
     ~CompressedArchive();
 
-#ifdef Q_OS_UNIX
-    MY_UNKNOWN_IMP
-
-    STDMETHOD(GetNumMethods)
-    (UInt32 *numMethods);
-    STDMETHOD(GetProperty)
-    (UInt32 index, PROPID propID, PROPVARIANT *value);
-    STDMETHOD(CreateDecoder)
-    (UInt32 index, const GUID *iid, void **coder);
-    STDMETHOD(CreateEncoder)
-    (UInt32 index, const GUID *iid, void **coder);
-
-    bool isRar;
-#endif
-
 signals:
 
 public slots:
@@ -60,9 +36,6 @@ private:
     SevenZipInterface *szInterface;
 
     QLibrary *sevenzLib;
-#ifdef Q_OS_UNIX
-    QLibrary *rarLib;
-#endif
     bool loadFunctions();
     bool tools;
     bool valid;
diff --git a/compressed_archive/wrapper.pri b/compressed_archive/wrapper.pri
index e9376921..162285f1 100644
--- a/compressed_archive/wrapper.pri
+++ b/compressed_archive/wrapper.pri
@@ -1,48 +1,39 @@
 INCLUDEPATH += $$PWD
 DEPENDPATH += $$PWD
 
-win32 {
 exists (../compressed_archive/lib7zip) {
     message(Using 7zip)
 } else {
     error(You\'ll need 7zip source code to compile YACReader. \
           Please check the compressed_archive folder for further instructions.)
 }
-}
 
-unix {
-exists (../compressed_archive/libp7zip) {
-    message(Found p7zip source code...)
-    #this is probably only needed in macos
-    system(patch -N -p0 -i libp7zip.patch)
-} else {
-    error(You\'ll need 7zip source code to compile YACReader. \
-          Please check the compressed_archive folder for further instructions.)
-}
-}
-
-win32 {
 INCLUDEPATH += \
-    $$PWD/lib7zip/myWindows \
     $$PWD/lib7zip/CPP \
-    $$PWD/lib7zip/include_windows \
-
-DEFINES += _UNICODE _WIN32
 
 SOURCES += \
     $$PWD/compressed_archive.cpp \
-    $$PWD/lib7zip/CPP/Windows/FileIO.cpp \
-    $$PWD/lib7zip/CPP/Windows/PropVariant.cpp \
-    $$PWD/lib7zip/CPP/Windows/PropVariantConv.cpp \
     $$PWD/lib7zip/CPP/Common/IntToString.cpp \
+    $$PWD/lib7zip/CPP/Common/NewHandler.cpp \
     $$PWD/lib7zip/CPP/Common/MyString.cpp \
     $$PWD/lib7zip/CPP/Common/MyVector.cpp \
     $$PWD/lib7zip/CPP/Common/StringConvert.cpp \
+    $$PWD/lib7zip/CPP/Common/StringToInt.cpp \
     $$PWD/lib7zip/CPP/Common/Wildcard.cpp \
+    $$PWD/lib7zip/CPP/Windows/DLL.cpp \
+    $$PWD/lib7zip/CPP/Windows/FileDir.cpp \
+    $$PWD/lib7zip/CPP/Windows/FileFind.cpp \
+    $$PWD/lib7zip/CPP/Windows/FileIO.cpp \
+    $$PWD/lib7zip/CPP/Windows/FileName.cpp \
+    $$PWD/lib7zip/CPP/Windows/PropVariant.cpp \
+    $$PWD/lib7zip/CPP/Windows/PropVariantConv.cpp \
     $$PWD/lib7zip/CPP/7zip/Common/FileStreams.cpp \
+    $$PWD/lib7zip/CPP/7zip/Common/StreamObjects.cpp \
     $$PWD/lib7zip/CPP/7zip/Common/StreamUtils.cpp \
     $$PWD/lib7zip/C/Alloc.c \
-    $$PWD/lib7zip/CPP/7zip/Common/StreamObjects.cpp
+    $$PWD/lib7zip/CPP/Windows/TimeUtils.cpp \
+    $$PWD/lib7zip/CPP/Common/UTFConvert.cpp \
+    $$PWD/lib7zip/CPP/Common/MyWindows.cpp \
 
 HEADERS += \
     $$PWD/lib7zip/CPP/Common/Common.h \
@@ -50,13 +41,7 @@ HEADERS += \
     $$PWD/extract_delegate.h \
     $$PWD/7z_includes.h \
     $$PWD/open_callbacks.h \
-    $$PWD/extract_callbacks.h
-}
-
-!win32 {
-CONFIG   += precompile_header
-PRECOMPILED_HEADER = $$PWD/7z_precompiled_header.h
-}
+    $$PWD/extract_callbacks.h \
 
 macx{
 LIBS += -framework IOKit -framework CoreFoundation
@@ -73,31 +58,3 @@ DEFINES += _FILE_OFFSET_BITS=64 _LARGEFILE_SOURCE \
     _7ZIP_LARGE_PAGES \
     UNICODE _UNICODE UNIX_USE_WIN_FILE
 }
-
-!win32 {
-INCLUDEPATH  += $$PWD/libp7zip/CPP/myWindows/ \
-                $$PWD/libp7zip/CPP/ \
-                $$PWD/libp7zip/CPP/include_windows/
-
-SOURCES += \
-    $$PWD/compressed_archive.cpp \
-    $$PWD/libp7zip/CPP/Windows/PropVariant.cpp \
-    $$PWD/libp7zip/CPP/Windows/PropVariantConv.cpp \
-    $$PWD/libp7zip/CPP/Windows/FileIO.cpp \
-    $$PWD/libp7zip/CPP/Windows/FileFind.cpp \
-    $$PWD/libp7zip/CPP/Common/IntToString.cpp \
-    $$PWD/libp7zip/CPP/Common/MyString.cpp \
-    $$PWD/libp7zip/CPP/Common/MyVector.cpp \
-    $$PWD/libp7zip/CPP/Common/StringConvert.cpp \
-    $$PWD/libp7zip/CPP/Common/Wildcard.cpp \
-    $$PWD/libp7zip/CPP/7zip/Common/FileStreams.cpp \
-    $$PWD/libp7zip/CPP/7zip/Common/StreamUtils.cpp \
-    $$PWD/libp7zip/C/Alloc.c \
-    $$PWD/libp7zip/CPP/7zip/Common/StreamObjects.cpp \
-    $$PWD/libp7zip/CPP/myWindows/wine_date_and_time.cpp \
-    $$PWD/libp7zip/CPP/Common/MyWindows.cpp
-
-HEADERS += \
-    $$PWD/compressed_archive.h \
-    $$PWD/7z_includes.h
-}