File Extension Library


.PM! File Extension

  • Developer by: David Harris
  • Category: Various data Files

What are .PM! files and how to open them?

Can't open .PM! file? Are you wondering what it contains? On our site we will explain to you what this file is, what it is used for and what software opens the .PM! file.

What is a .PM! file extension?

.PM! file extension is created by David Harris. .PM! has been classified as Various data Files.

.PM! is Pegasus Mail address book data

The pm! file extension is reported to be related to Pegasus Mail and used for one of its address book format. Might be just temporary, lock or backup file.

These files relate to Address Books created in Pegasus Mail.

The former indexes the information stored in the middle. For earlier versions of Pegasus Mail, if an address book is not going to be modified, it could be indexed in a faster way through the PMSORT utility that comes with the dos-zip file, which generates an additional file with the .pm1 file extension. (note this did not work for very large address books!). The filename can either be 8 digits or ADDR followed by 4 digits.


How to open:

Use Pegasus Mail to work with *.pm! files.

How to convert:

Possibly data can be exported from *.pm! file.

How to fix problems with .PM! files

  1. You need to update the application that you normally use to open .PM! files. Only the latest version of the software supports the current .PM! file format
  2. You need to check the .PM! file for viruses. To do this, you need to scan it with a popular antivirus (Norton, Nod32, Kaspersky, Dr.Web, etc.)