diff --git a/OOXML/Binary/Document/BinReader/Readers.cpp b/OOXML/Binary/Document/BinReader/Readers.cpp
index 5b687a9cad..4e1d303eee 100644
--- a/OOXML/Binary/Document/BinReader/Readers.cpp
+++ b/OOXML/Binary/Document/BinReader/Readers.cpp
@@ -4820,6 +4820,12 @@ int Binary_DocumentTableReader::ReadDocumentContent(BYTE type, long length, void
 		READ1_DEF(length, res, this->ReadDocParts, &oDocParts);
 		m_oDocumentWriter.m_oContent.WriteString(L"</w:docParts>");
 	}
+	else if (c_oSerParType::JsaProjectExternal == type)
+	{
+		std::wstring filePath = m_oBufferedStream.GetString3(length);
+		unsigned int lId = 0;
+		m_oFileWriter.m_pDrawingConverter->WriteRels(OOX::FileTypes::JsaProject.RelationType(), filePath, L"External", &lId);
+	}
 	else if(c_oSerParType::JsaProject == type)
 	{
 		BYTE* pData = m_oBufferedStream.GetPointer(length);
@@ -5670,7 +5676,7 @@ int Binary_DocumentTableReader::ReadHyperlink(BYTE type, long length, void* poRe
 		{
 			unsigned int rId;
 			std::wstring sHref = XmlUtils::EncodeXmlString(pHyperlink->sLink);
-			m_oFileWriter.m_pDrawingConverter->WriteRels(std::wstring(_T("http://schemas.openxmlformats.org/officeDocument/2006/relationships/hyperlink")), sHref, std::wstring(_T("External")), &rId);
+			m_oFileWriter.m_pDrawingConverter->WriteRels(std::wstring(_T("http://schemas.openxmlformats.org/officeDocument/2006/relationships/hyperlink")), sHref, std::wstring(L"External"), &rId);
 			pHyperlink->rId = L"rId" + std::to_wstring(rId);
 		}
 		m_pCurWriter = pPrevWriter;
diff --git a/OOXML/Binary/Document/BinWriter/BinReaderWriterDefines.h b/OOXML/Binary/Document/BinWriter/BinReaderWriterDefines.h
index 3159a0683a..71089ec93f 100644
--- a/OOXML/Binary/Document/BinWriter/BinReaderWriterDefines.h
+++ b/OOXML/Binary/Document/BinWriter/BinReaderWriterDefines.h
@@ -535,7 +535,8 @@ extern int g_nCurFormatVersion;
 		AltChunk = 26,
 		DocParts = 27,
 		PermStart = 28,
-		PermEnd = 29
+		PermEnd = 29,
+		JsaProjectExternal = 30
 	};}
 	namespace c_oSerGlossary {
 		enum c_oSerGlossary
diff --git a/OOXML/Binary/Document/BinWriter/BinWriters.cpp b/OOXML/Binary/Document/BinWriter/BinWriters.cpp
index 71ef38188e..6f890a0503 100644
--- a/OOXML/Binary/Document/BinWriter/BinWriters.cpp
+++ b/OOXML/Binary/Document/BinWriter/BinWriters.cpp
@@ -3450,14 +3450,23 @@ void BinaryDocumentTableWriter::WriteDocumentContent(const std::vector<OOX::Writ
 //Write JsaProject
 	if (NULL != pJsaProject)
 	{
-		BYTE* pData = NULL;
-		DWORD nBytesCount;
-		if(NSFile::CFileBinary::ReadAllBytes(pJsaProject->filename().GetPath(), &pData, nBytesCount))
+		if (pJsaProject->IsExist() && !pJsaProject->IsExternal())
 		{
-			nCurPos = m_oBcw.WriteItemStart(c_oSerParType::JsaProject);
-			m_oBcw.m_oStream.WriteBYTEArray(pData, nBytesCount);
+			BYTE* pData = NULL;
+			DWORD nBytesCount;
+			if (NSFile::CFileBinary::ReadAllBytes(pJsaProject->filename().GetPath(), &pData, nBytesCount))
+			{
+				nCurPos = m_oBcw.WriteItemStart(c_oSerParType::JsaProject);
+				m_oBcw.m_oStream.WriteBYTEArray(pData, nBytesCount);
+				m_oBcw.WriteItemEnd(nCurPos);
+				RELEASEARRAYOBJECTS(pData);
+			}
+		}
+		if (pJsaProject->IsExternal())
+		{
+			nCurPos = m_oBcw.WriteItemStart(c_oSerParType::JsaProjectExternal);
+			m_oBcw.m_oStream.WriteStringW3(pJsaProject->filename().GetPath());
 			m_oBcw.WriteItemEnd(nCurPos);
-			RELEASEARRAYOBJECTS(pData);
 		}
 	}
 }
diff --git a/OOXML/DocxFormat/FileFactory.cpp b/OOXML/DocxFormat/FileFactory.cpp
index 8a95534b13..d1aa47ea42 100644
--- a/OOXML/DocxFormat/FileFactory.cpp
+++ b/OOXML/DocxFormat/FileFactory.cpp
@@ -192,7 +192,7 @@ namespace OOX
 		else if ( oRelation.Type() == OOX::FileTypes::VbaData)
 			return smart_ptr<OOX::File>(new OOX::VbaData( pMain, oRootPath, oFileName));
 		else if ( oRelation.Type() == FileTypes::JsaProject)
-			return smart_ptr<OOX::File>(new JsaProject( pMain, oFileName ));
+			return smart_ptr<OOX::File>(new OOX::JsaProject( pMain, oFileName, oRelation.IsExternal()));
 		else if ( oRelation.Type() == FileTypes::CustomXml)
 			return smart_ptr<OOX::File>(new OOX::CCustomXML(pMain, oRootPath, oFileName));
 		else if ( oRelation.Type() == FileTypes::CustomXmlProps)
@@ -343,7 +343,7 @@ namespace OOX
 		else if ( pRelation->Type() == FileTypes::VbaData)
 			return smart_ptr<OOX::File>(new OOX::VbaData( pMain, oRootPath, oFileName));
 		else if ( pRelation->Type() == FileTypes::JsaProject)
-			return smart_ptr<OOX::File>(new JsaProject( pMain, oFileName ));
+			return smart_ptr<OOX::File>(new OOX::JsaProject( pMain, oFileName, pRelation->IsExternal()));
 		else if ( pRelation->Type() == FileTypes::CustomXml)
 			return smart_ptr<OOX::File>(new OOX::CCustomXML(pMain, oRootPath, oFileName));
 		else if ( pRelation->Type() == FileTypes::CustomXmlProps)
diff --git a/OOXML/DocxFormat/Media/JsaProject.cpp b/OOXML/DocxFormat/Media/JsaProject.cpp
index d4d6a02f53..29441ca1c9 100644
--- a/OOXML/DocxFormat/Media/JsaProject.cpp
+++ b/OOXML/DocxFormat/Media/JsaProject.cpp
@@ -60,8 +60,9 @@ namespace OOX
 			}
 		}
 	}
-	JsaProject::JsaProject(OOX::Document *pMain, const CPath& filename) : Media(pMain)
+	JsaProject::JsaProject(OOX::Document *pMain, const CPath& filename, bool bExternal) : Media(pMain)
 	{
+		m_bExternal = bExternal;
 		OOX::CDocx* docx = dynamic_cast<OOX::CDocx*>(pMain);
 		if (docx)
 		{
diff --git a/OOXML/DocxFormat/Media/JsaProject.h b/OOXML/DocxFormat/Media/JsaProject.h
index 3c536837a0..954e273198 100644
--- a/OOXML/DocxFormat/Media/JsaProject.h
+++ b/OOXML/DocxFormat/Media/JsaProject.h
@@ -43,7 +43,7 @@ namespace OOX
 	{
 	public:
 		JsaProject( OOX::Document *pMain );
-		JsaProject(OOX::Document *pMain, const CPath& filename);
+		JsaProject(OOX::Document *pMain, const CPath& filename, bool bExternal = false);
 		virtual ~JsaProject();
 
 		virtual const FileType type() const;
diff --git a/OOXML/PPTXFormat/FileFactory.cpp b/OOXML/PPTXFormat/FileFactory.cpp
index 8a00cea929..ae8c756d92 100644
--- a/OOXML/PPTXFormat/FileFactory.cpp
+++ b/OOXML/PPTXFormat/FileFactory.cpp
@@ -158,7 +158,7 @@ namespace PPTX
 		else if (relation.Type() == OOX::FileTypes::VbaProject)
 			return smart_ptr<OOX::File>(new OOX::VbaProject( pMain, filename, filename ));
 		else if (relation.Type() == OOX::FileTypes::JsaProject)
-			return smart_ptr<OOX::File>(new OOX::JsaProject( pMain, filename ));
+			return smart_ptr<OOX::File>(new OOX::JsaProject( pMain, filename, relation.IsExternal()));
 		else if (relation.Type() == OOX::FileTypes::CustomXml)
 			return smart_ptr<OOX::File>(new OOX::CCustomXML(pMain, filename, filename));
 		else if (relation.Type() == OOX::FileTypes::ActiveX_xml)