[MSDN Library April 2000] PC MAPI: How To Determine if a Mail Session Already Exists (53.4523809523809%)

MSDN Library - April 2000 > Knowledge Base > Messaging > Mail For PC Networks

[MSDN Library April 2000] PC WSPlus: How to Set Up Schedule Distribution (52.3419540229885%)

MSDN Library - April 2000 > Knowledge Base > Miscellaneous

[MSDN Library April 2000] PC WSPlus: Standard Response Buttons Unavailable (49.3247126436782%)

MSDN Library - April 2000 > Knowledge Base > Miscellaneous

[MSDN Library April 2000] PC WSPlus: Schedule+ Schdupd.exe Update Available (48.8936781609195%)

MSDN Library - April 2000 > Knowledge Base > Miscellaneous

[MSDN Library April 2000] PC MAPI: How to Determine if Simple MAPI Is Available (42.2454844006568%)

MSDN Library - April 2000 > Knowledge Base > Messaging > Mail For PC Networks

[MSDN Library September 1992] PC, PC/AT, and PS/2 Architecture (14.8009031198686%)

Books and Magazine Articles > Advanced MS-DOS Programming > PART 1 PROGRAMMING FOR MS-DOS > Chapter 4 MS-DOS Programming Tools > Programming Resources and References