diff --git a/src/BRepTools/BRepTools.cxx b/src/BRepTools/BRepTools.cxx
index 37b11db375..de3716bd97 100644
--- a/src/BRepTools/BRepTools.cxx
+++ b/src/BRepTools/BRepTools.cxx
@@ -695,7 +695,7 @@ Standard_Boolean  BRepTools::Write (const TopoDS_Shape& theShape,
                                     const Message_ProgressRange& theProgress)
 {
   const Handle(OSD_FileSystem)& aFileSystem = OSD_FileSystem::DefaultFileSystem();
-  std::shared_ptr<std::ostream> aStream = aFileSystem->OpenOStream (theFile, std::ios::out);
+  std::shared_ptr<std::ostream> aStream = aFileSystem->OpenOStream (theFile, std::ios::out | std::ios::binary);
   if (aStream.get() == NULL || !aStream->good())
   {
     return Standard_False;
diff --git a/src/Draw/Draw_VariableCommands.cxx b/src/Draw/Draw_VariableCommands.cxx
index 8f0b4f68ec..473b212887 100644
--- a/src/Draw/Draw_VariableCommands.cxx
+++ b/src/Draw/Draw_VariableCommands.cxx
@@ -92,7 +92,7 @@ static Standard_Integer save (Draw_Interpretor& theDI,
 
   const char* aName = theArgVec[2];
   const Handle(OSD_FileSystem)& aFileSystem = OSD_FileSystem::DefaultFileSystem();
-  std::shared_ptr<std::ostream> aStream = aFileSystem->OpenOStream (aName, std::ios::out);
+  std::shared_ptr<std::ostream> aStream = aFileSystem->OpenOStream (aName, std::ios::out | std::ios::binary);
   aStream->precision (15);
   if (aStream.get() == NULL || !aStream->good())
   {
diff --git a/src/IGESControl/IGESControl_Writer.cxx b/src/IGESControl/IGESControl_Writer.cxx
index 735f49ac06..c59f645a27 100644
--- a/src/IGESControl/IGESControl_Writer.cxx
+++ b/src/IGESControl/IGESControl_Writer.cxx
@@ -254,7 +254,7 @@ Standard_Boolean IGESControl_Writer::Write
   (const Standard_CString file, const Standard_Boolean fnes)
 {
   const Handle(OSD_FileSystem)& aFileSystem = OSD_FileSystem::DefaultFileSystem();
-  std::shared_ptr<std::ostream> aStream = aFileSystem->OpenOStream (file, std::ios::out);
+  std::shared_ptr<std::ostream> aStream = aFileSystem->OpenOStream (file, std::ios::out | std::ios::binary);
   if (aStream.get() == NULL)
   {
     return Standard_False;
diff --git a/src/IGESSelect/IGESSelect_WorkLibrary.cxx b/src/IGESSelect/IGESSelect_WorkLibrary.cxx
index 50f583078c..9bfbbd2107 100644
--- a/src/IGESSelect/IGESSelect_WorkLibrary.cxx
+++ b/src/IGESSelect/IGESSelect_WorkLibrary.cxx
@@ -102,7 +102,7 @@ static  Handle(IGESData_FileProtocol) IGESProto;
 
   if (igesmod.IsNull() || prot.IsNull()) return Standard_False;
   const Handle(OSD_FileSystem)& aFileSystem = OSD_FileSystem::DefaultFileSystem();
-  std::shared_ptr<std::ostream> aStream = aFileSystem->OpenOStream (ctx.FileName(), std::ios::out);
+  std::shared_ptr<std::ostream> aStream = aFileSystem->OpenOStream (ctx.FileName(), std::ios::out | std::ios::binary);
   if (aStream.get() == NULL)
   {
     ctx.CCheck(0)->AddFail("IGES File could not be created");
diff --git a/src/StepSelect/StepSelect_WorkLibrary.cxx b/src/StepSelect/StepSelect_WorkLibrary.cxx
index 6f672e13e3..66e8ee006c 100644
--- a/src/StepSelect/StepSelect_WorkLibrary.cxx
+++ b/src/StepSelect/StepSelect_WorkLibrary.cxx
@@ -99,7 +99,7 @@ Standard_Boolean  StepSelect_WorkLibrary::WriteFile
   if (stepmodel.IsNull() || stepro.IsNull()) return Standard_False;
 
   const Handle(OSD_FileSystem)& aFileSystem = OSD_FileSystem::DefaultFileSystem();
-  std::shared_ptr<std::ostream> aStream = aFileSystem->OpenOStream (ctx.FileName(), std::ios::out | std::ios::trunc);
+  std::shared_ptr<std::ostream> aStream = aFileSystem->OpenOStream (ctx.FileName(), std::ios::out | std::ios::binary | std::ios::trunc);
 
   if (aStream.get() == NULL) {
     ctx.CCheck(0)->AddFail("Step File could not be created");
diff --git a/src/VrmlAPI/VrmlAPI_Writer.cxx b/src/VrmlAPI/VrmlAPI_Writer.cxx
index 0275a949de..f4a4f49a80 100644
--- a/src/VrmlAPI/VrmlAPI_Writer.cxx
+++ b/src/VrmlAPI/VrmlAPI_Writer.cxx
@@ -226,7 +226,7 @@ Standard_Boolean VrmlAPI_Writer::write_v1(const TopoDS_Shape& aShape,const Stand
   OSD_Path thePath(aFile);
   TCollection_AsciiString theFile;thePath.SystemName(theFile);
   const Handle(OSD_FileSystem)& aFileSystem = OSD_FileSystem::DefaultFileSystem();
-  std::shared_ptr<std::ostream> anOutFile = aFileSystem->OpenOStream (theFile, std::ios::out);
+  std::shared_ptr<std::ostream> anOutFile = aFileSystem->OpenOStream (theFile, std::ios::out | std::ios::binary);
   if (anOutFile.get() == NULL)
   {
     return Standard_False;
@@ -370,7 +370,7 @@ Standard_Boolean VrmlAPI_Writer::write_v2(const TopoDS_Shape& aShape,const Stand
   aConv.Convert(anExtFace, anExtEdge);
 
   const Handle(OSD_FileSystem)& aFileSystem = OSD_FileSystem::DefaultFileSystem();
-  std::shared_ptr<std::ostream> anOutStream = aFileSystem->OpenOStream (aFile, std::ios::out);
+  std::shared_ptr<std::ostream> anOutStream = aFileSystem->OpenOStream (aFile, std::ios::out | std::ios::binary);
   if (anOutStream.get() != NULL)
   {
     *anOutStream << aScene;
@@ -395,7 +395,7 @@ Standard_Boolean VrmlAPI_Writer::WriteDoc(
   aConv.ConvertDocument(theDoc);
 
   const Handle(OSD_FileSystem)& aFileSystem = OSD_FileSystem::DefaultFileSystem();
-  std::shared_ptr<std::ostream> anOutStream = aFileSystem->OpenOStream (theFile, std::ios::out);
+  std::shared_ptr<std::ostream> anOutStream = aFileSystem->OpenOStream (theFile, std::ios::out | std::ios::binary);
   if (anOutStream.get() != NULL)
   {
     *anOutStream << aScene;
diff --git a/src/XSDRAWIGES/XSDRAWIGES.cxx b/src/XSDRAWIGES/XSDRAWIGES.cxx
index b0117bf3cb..571a2d74d2 100644
--- a/src/XSDRAWIGES/XSDRAWIGES.cxx
+++ b/src/XSDRAWIGES/XSDRAWIGES.cxx
@@ -76,7 +76,7 @@ void WriteShape(const TopoDS_Shape& shape, const Standard_Integer number)
 {
   char fname[110];
   sprintf(fname, "Shape_%d",number);
-  std::ofstream f(fname,std::ios::out);
+  std::ofstream f(fname,std::ios::out | std::ios::binary);
   std::cout << "Output file name : " << fname << std::endl;
   f << "DBRep_DrawableShape\n";
   
diff --git a/src/XmlLDrivers/XmlLDrivers_DocumentStorageDriver.cxx b/src/XmlLDrivers/XmlLDrivers_DocumentStorageDriver.cxx
index 271d4dcdd7..bd6a537ac7 100644
--- a/src/XmlLDrivers/XmlLDrivers_DocumentStorageDriver.cxx
+++ b/src/XmlLDrivers/XmlLDrivers_DocumentStorageDriver.cxx
@@ -99,7 +99,7 @@ void XmlLDrivers_DocumentStorageDriver::Write (const Handle(CDM_Document)&
   myFileName = theFileName;
 
   const Handle(OSD_FileSystem)& aFileSystem = OSD_FileSystem::DefaultFileSystem();
-  std::shared_ptr<std::ostream> aFileStream = aFileSystem->OpenOStream (theFileName, std::ios::out);
+  std::shared_ptr<std::ostream> aFileStream = aFileSystem->OpenOStream (theFileName, std::ios::out | std::ios::binary);
   if (aFileStream.get() != NULL && aFileStream->good())
   {
     Write (theDocument, *aFileStream, theRange);