Found 1 record for the .PMN file extension name
.file extension PMN - Pegasus Mail annotation file
File type specification:
File type data not available.
Extension icon: 
.PMN
File extension PMN description:
These are annotation files. They are associated with their relevant messages by the message id, with the first character of the filename being replaced with an A..pmn
Associated applications to file extension PMN:
Company / developer:
David Harris
Pegasus Mail is a free, standards-based electronic mail client suitable for use by single or multiple users on single computers or on local area networks. A proven product, it has served millions of users since it was released in 1990. It is extremely feature-rich and powerful, yet remains small and fast.
PMN