diff --git a/ASCOfficePPTXFile/ASCOfficePPTXFileRealization.cpp b/ASCOfficePPTXFile/ASCOfficePPTXFileRealization.cpp
index 2cc0bf844b..fc5f8e21da 100644
--- a/ASCOfficePPTXFile/ASCOfficePPTXFileRealization.cpp
+++ b/ASCOfficePPTXFile/ASCOfficePPTXFileRealization.cpp
@@ -26,7 +26,7 @@ CPPTXFile::CPPTXFile(load_from_resource fCallbackResource, extract_to_directory
 	m_strTempDir = CStringW(buffer) + CStringW("_PPTX\\");
 #else
     m_strTempDir = FileSystem::Directory::GetTempPath();
-    m_strTempDir = FileSystem::Directory::GetLongPathNameW(m_strTempDir) + CString("_PPTX\\");
+    m_strTempDir = FileSystem::Directory::GetLongPathNameW(m_strTempDir) + CString("_PPTX/");
 #endif
 	//
 	m_strFontDirectory = _T("");
diff --git a/ASCOfficePPTXFile/Editor/PPTXWriter.h b/ASCOfficePPTXFile/Editor/PPTXWriter.h
index 12308a0a53..4e3286e8ad 100644
--- a/ASCOfficePPTXFile/Editor/PPTXWriter.h
+++ b/ASCOfficePPTXFile/Editor/PPTXWriter.h
@@ -262,8 +262,8 @@ namespace NSBinPptxRW
 			pPair = m_mainTables.find(NSMainTables::Themes);
 			if (m_mainTables.end()  != pPair)
 			{
-				OOX::CPath pathFolder = m_strDstFolder + _T("\\ppt\\theme");
-				OOX::CPath pathFolderRels = pathFolder.GetPath() + _T("\\_rels");
+                OOX::CPath pathFolder = m_strDstFolder + FILE_SEPARATOR_STR + _T("ppt")  + FILE_SEPARATOR_STR + _T("theme");
+                OOX::CPath pathFolderRels = pathFolder.GetPath()  + FILE_SEPARATOR_STR + _T("_rels");
 
                 FileSystem::Directory::CreateDirectory(pathFolder.GetPath());
                 FileSystem::Directory::CreateDirectory(pathFolderRels.GetPath());
@@ -306,8 +306,8 @@ namespace NSBinPptxRW
 			pPair = m_mainTables.find(NSMainTables::SlideMasters);
 			if (m_mainTables.end()  != pPair)
 			{
-				OOX::CPath pathFolder = m_strDstFolder + _T("\\ppt\\slideMasters");
-				OOX::CPath pathFolderRels = pathFolder + _T("\\_rels");
+                OOX::CPath pathFolder = m_strDstFolder  + FILE_SEPARATOR_STR + _T("ppt")  + FILE_SEPARATOR_STR + _T("slideMasters");
+                OOX::CPath pathFolderRels = pathFolder  + FILE_SEPARATOR_STR + _T("_rels");
 
                 FileSystem::Directory::CreateDirectory(pathFolder.GetPath());
                 FileSystem::Directory::CreateDirectory(pathFolderRels.GetPath());
@@ -361,8 +361,8 @@ namespace NSBinPptxRW
 			pPair = m_mainTables.find(NSMainTables::SlideLayouts);
 			if (m_mainTables.end()  != pPair)
 			{
-				OOX::CPath pathFolder = m_strDstFolder + _T("\\ppt\\slideLayouts");
-				OOX::CPath pathFolderRels = pathFolder + _T("\\_rels");
+                OOX::CPath pathFolder = m_strDstFolder + FILE_SEPARATOR_STR+ _T("ppt")  + FILE_SEPARATOR_STR + _T("slideLayouts");
+                OOX::CPath pathFolderRels = pathFolder + FILE_SEPARATOR_STR + _T("_rels");
 
 				FileSystem::Directory::CreateDirectory(pathFolder.GetPath());
 				FileSystem::Directory::CreateDirectory(pathFolderRels.GetPath());
@@ -399,8 +399,8 @@ namespace NSBinPptxRW
 			pPair = m_mainTables.find(NSMainTables::Slides);
 			if (m_mainTables.end()  != pPair)
 			{
-				OOX::CPath pathFolder = m_strDstFolder + _T("\\ppt\\slides");
-				OOX::CPath pathFolderRels = pathFolder + _T("\\_rels");
+                OOX::CPath pathFolder = m_strDstFolder + FILE_SEPARATOR_STR + _T("ppt")  + FILE_SEPARATOR_STR + _T("slides");
+                OOX::CPath pathFolderRels = pathFolder + FILE_SEPARATOR_STR + _T("_rels");
 
 				FileSystem::Directory::CreateDirectory (pathFolder.GetPath());
 				FileSystem::Directory::CreateDirectory (pathFolderRels.GetPath());
@@ -419,19 +419,19 @@ namespace NSBinPptxRW
 
 					if (m_arSlides[i].comments.is_init())
 					{
-						m_oReader.m_pRels->WriteSlideComments(nComment);
-						if (1 == nComment)
+                        m_oReader.m_pRels->WriteSlideComments(nComment);
+                        OOX::CPath pathFolderCommentDir = m_strDstFolder + FILE_SEPARATOR_STR + _T("ppt") + FILE_SEPARATOR_STR + _T("comments");
+                        if (1 == nComment)
 						{
-							OOX::CPath pathFolderCommentDir = m_strDstFolder + _T("\\ppt\\comments");
                             FileSystem::Directory::CreateDirectory (pathFolderCommentDir.GetPath());
 						}
 						CString strCommentFile = _T("");
-						strCommentFile.Format(_T("\\ppt\\comments\\comment%d.xml"), nComment);
+                        strCommentFile.Format(_T("comment%d.xml"), nComment);
 
 						oXmlWriter.ClearNoAttack();
 						m_arSlides[i].comments->toXmlWriter(&oXmlWriter);
 						
-						OOX::CPath pathComment = m_strDstFolder + strCommentFile;
+                        OOX::CPath pathComment = pathFolderCommentDir + strCommentFile;
 						oXmlWriter.SaveToFile(pathComment.GetPath());
 
 						++nComment;
@@ -491,8 +491,8 @@ namespace NSBinPptxRW
 				CreateDefaultNotesMasters((int)m_arThemes.size() + 1);
 				CreateDefaultNote();
 
-				OOX::CPath pathFolder		= m_strDstFolder + _T("\\ppt\\notesSlides");
-				OOX::CPath pathFolderRels	= pathFolder + _T("\\_rels");
+                OOX::CPath pathFolder		= m_strDstFolder + FILE_SEPARATOR_STR  + _T("ppt")  + FILE_SEPARATOR_STR + _T("notesSlides");
+                OOX::CPath pathFolderRels	= pathFolder + FILE_SEPARATOR_STR  + _T("_rels");
 
                 FileSystem::Directory::CreateDirectory (pathFolder.GetPath());
                 FileSystem::Directory::CreateDirectory (pathFolderRels.GetPath());
diff --git a/Common/DocxFormat/Source/SystemUtility/File.h b/Common/DocxFormat/Source/SystemUtility/File.h
index e390296c7d..71696f3513 100644
--- a/Common/DocxFormat/Source/SystemUtility/File.h
+++ b/Common/DocxFormat/Source/SystemUtility/File.h
@@ -291,17 +291,17 @@ namespace CDirectory
 	}
 	static BOOL OpenFile(CString strFolderPath, CString strFileName, CFile* pFile)
 	{
-		CString strFile = strFolderPath + '\\' + strFileName;
+        CString strFile = strFolderPath  + FILE_SEPARATOR_CHAR + strFileName;
 		return (S_OK == pFile->OpenFile(strFile));
 	}
 	static BOOL CreateFile(CString strFolderPath, CString strFileName, CFile* pFile)
 	{
-		CString strFile = strFolderPath + '\\' + strFileName;
+        CString strFile = strFolderPath + FILE_SEPARATOR_CHAR + strFileName;
 		return (S_OK == pFile->CreateFile(strFile));
 	}
 	static BOOL CreateDirectory(CString strFolderPathRoot, CString strFolderName)
 	{
-		CString strFolder = strFolderPathRoot + '\\' + strFolderName;
+        CString strFolder = strFolderPathRoot + FILE_SEPARATOR_CHAR + strFolderName;
 		return ::CreateDirectory(strFolder, NULL);
 	}
 	static BOOL CreateDirectory(CString strFolderPath)
diff --git a/Common/DocxFormat/Source/SystemUtility/FileSystem/DirectoryPosix.cpp b/Common/DocxFormat/Source/SystemUtility/FileSystem/DirectoryPosix.cpp
index 0ef946efb6..5a6d44696b 100644
--- a/Common/DocxFormat/Source/SystemUtility/FileSystem/DirectoryPosix.cpp
+++ b/Common/DocxFormat/Source/SystemUtility/FileSystem/DirectoryPosix.cpp
@@ -85,7 +85,7 @@ namespace FileSystem {
     bool Directory::CreateDirectory (String strFolderPathRoot, String strFolderName)
     {
         String strFolder = strFolderPathRoot;
-        strFolder += _T("/");
+        strFolder += FILE_SEPARATOR_STR ;
         strFolder += strFolderName;
         return CreateDirectory(strFolder);
     }
diff --git a/XlsxSerializerCom/Writer/BinaryReader.h b/XlsxSerializerCom/Writer/BinaryReader.h
index e27e0d2441..c404581f4f 100644
--- a/XlsxSerializerCom/Writer/BinaryReader.h
+++ b/XlsxSerializerCom/Writer/BinaryReader.h
@@ -2415,10 +2415,10 @@ namespace BinXlsxRW {
 			if(c_oSer_DrawingType::Chart2 == type)
 			{
 				//создаем папку для rels
-				OOX::CPath pathChartsDir = m_sDestinationDir + _T("\\xl\\charts");
+                OOX::CPath pathChartsDir = m_sDestinationDir + FILE_SEPARATOR_STR  + _T("xl")  + FILE_SEPARATOR_STR + _T("charts");
 				OOX::CSystemUtility::CreateDirectories(pathChartsDir.GetPath());
 
-				OOX::CPath pathChartsRelsDir = pathChartsDir.GetPath() + _T("\\_rels");
+                OOX::CPath pathChartsRelsDir = pathChartsDir + FILE_SEPARATOR_STR  + _T("_rels");
 				OOX::CSystemUtility::CreateDirectories(pathChartsRelsDir.GetPath());
 				
 				m_pOfficeDrawingConverter->SetDstContentRels();
@@ -2430,7 +2430,7 @@ namespace BinXlsxRW {
 				pChartFile->m_bDoNotAddRels = true;
 				m_pCurDrawing->Add(pChartFile);
 
-				OOX::CPath pathChartsRels = pathChartsRelsDir.GetPath() + _T("\\") + pChartFile->m_sFilename + _T(".rels");
+                OOX::CPath pathChartsRels = pathChartsRelsDir.GetPath() + FILE_SEPARATOR_STR + pChartFile->m_sFilename + _T(".rels");
 				m_pOfficeDrawingConverter->SaveDstContentRels(pathChartsRels.GetPath());
 
 				long rId;