Email Files

Pegasus Mail

by David Harris · opens 5 file types
Windows
AT A GLANCE
DeveloperDavid Harris
PlatformsWindows
Opens5 file types
Get it fromwww.pmail.com
Download Pegasus Mail

On this page

5 file types verified
Last reviewed Nov 2026

Not sure what your file is?

Drop any file into our identifier - we read just the first bytes to name the format.

Identify a file

What is Pegasus Mail?

Pegasus Mail is a free email client for Windows developed by David Harris, originally released in 1990. It supports POP3, IMAP, and SMTP protocols and is known for its powerful message filtering, rules system, and distribution list management. The software remains in active development and is used in organizations seeking a self-contained, no-cost desktop mail client.

Files Pegasus Mail opens

5 formats
Email Files
Misc Files
.BU
Data Files
Settings Files
Game Files

Click any badge for full per-format details - what it is, how to open it and how to convert it.

Download Pegasus Mail

SOURCEwww.pmail.comofficial site - avoid third-party download portals
PLATFORMSWindows

Keep exploring

programs & formats

Files Pegasus Mail opens most

1.MBXE-mail Mailbox File
2.BUPegasus Mail Temporary File
3.PMMPegasus Mail mail message folder
4.PMJ3D Digital Scanner file
5.PMOPegasus Mail saved message file

Free file tools

Identify an unknown file or convert images - everything runs in your browser.

Open the toolbox