2. MsgkitA .NET library to make MSG files without the need for Outlook
3. IfiltertextreaderA reader that gets text from different file formats through the IFilter interface
4. MsgreaderC# Outlook MSG file reader without the need for Outlook
5. OfficeExtractorExtracts embedded OLE objects from Word, Excel, PowerPoint, Open Office and RTF files without needing the original programs