A mai file extension is associated with the Pegasus, an e-mail solution and used for its mail sub directories.

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

empty icon.mai - Microsoft Mail message

empty icon.mai - Sony video thumbnail file format

Detailed description

Software that open mai file

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MAI file extension - Pegasus mail sub directory

What is mai file? How to open mai files?

File type specification:

Internet related file type icon Internet related file type

A mai file extension is related to the Pegasus, an e-mail solution for various operating system.

These sub directories represent old-style message directories, from the early releases of Pegasus Mail. The use of these nowadays is in relation to system wide folders (called Public folders from version 4.20).

The folder directory must contain a file called PMFOLDER.ID, which is a single NULL-terminated line representing the folder's long name. More information in the WGUIDE.HLP file in the program directory.

Updated: August 19, 2019

The default software associated to open mai 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 software applications associated to the .mai 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 mai file, edit mai file, convert mai file, view mai file, play mai file etc. (if exist software for corresponding action in File-Extensions.org's database).

Click on the tab below to simply browse between the application actions, to quickly get a list of recommended software, which is able to perform the specified software action, such as opening, editing or converting mai files.

Software that open mai file - Pegasus mail sub directory

Programs supporting the exension mai on the main platforms Windows, Mac, Linux or mobile. Click on the link to get more information about Pegasus Mail for open mai file action.

Microsoft Windows:

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