A pm3 file extension is related to the Pegasus Mail, an e-mail solution for Windows. A pm3 file stores data.

There are 2 other file types using
the PM3 file extension!

pm3 icon.pm3 - Adobe PageMaker 3 document

empty icon.pm3 - Crouzet Logic Software M3 data

Detailed description

Software that open pm3 file

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PM3 file extension - Pegasus Mail data

What is pm3 file? How to open pm3 files?

File type specification:

Email related data file type icon Email related data file type

The pm3 file extension is associated with Pegasus Mail.

The pm3 files are given in the pop server definition files (PND file extension) with the label Memfile.

They seem to be used for remembering which messages which have been downloaded from a POP server.

Updated: August 27, 2019

The default software associated to open pm3 file:

Pegasus Mail icon

Pegasus Mail  Microsoft Windows software

Company or developer:
David Harris

Pegasus Mail is one of  the Internet's longest-serving PC e-mail system used on Windows.

Help how to open:

Probably not meant to be accessed by the user.

How to convert:

Probably cannot be converted to anything else.

List of recommended software applications associated to the .pm3 file extension

Recommended software programs are sorted by OS platform (Windows, macOS, Linux, iOS, Android etc.)
and possible program actions that can be done with the file: like open pm3 file, edit pm3 file, convert pm3 file, view pm3 file, play pm3 file etc. (if exist software for corresponding action in File-Extensions.org's database).

Unspecified and all other actions for computer programs working with pm3 file - Pegasus Mail data

Click on the software link for more information about Pegasus Mail. Pegasus Mail uses pm3 file type for its internal purposes and/or also by different way than common edit or open file actions (eg. to install/execute/support an application itself, to store application or user data, configure program etc.).

Microsoft Windows:

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PM1 file extension

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