In previous versions for our SMMsg and MsgView I used the MAPI32.dll to decompress the RTF BODY (PR_RTF_COMPRESSED tag). But this library installed only if MS Outlook installed on computer and defined as default mailer in MS Windows.
As you understand, if customer have the installed MS Outlook, then he/she do not need our MsgView:-)
So in my TODO list I had the important task- to implement the native decoding/decompressing for such PR_RTF_COMPRESSED tags.
Today I implemented this task!
Shortly: the body compressed by LZFU algoritm which described at
http://www.freeutils.net/source/jtnef/rtfcompressed.jsp
But for .msg-files you do not need add any ‘}}’ in end of decoded string because value stored with these ending characters. maybe for TNEF-streams we need add these chars (I didn’t test now)