>> MAI file

MAI file format description

Many people share .mai files without attaching instructions on how to use it. Yet it isn’t evident for everyone which program a .mai file can be edited, converted or printed with. On this page, we try to provide assistance for handling .mai files.

1 filename extension(s) found in our database.

.mai - Pegasus Mail Sub Directory

The MAI data files are related to Pegasus Mail. MAI file is a Pegasus Mail Sub Directory. Pegasus Mail is a previously freeware, proprietary, email client that is developed and maintained by David Harris.

Pegasus Mail
Data files
- / -
Pegasus Mail Sub Directory related extensions:
IBM Rational Rose XDE Data
TrialDirector Concordance Data
Bentley InRoads Typical Section Library Data
Bryce Brush Data
Orgadata LogiKal Object
Daemon Tools Script

Naturally, other applications may also use the .mai file extension. Even harmful programs can create .mai files. Be especially cautious with .mai files coming from an unknown source!

Can't open a .mai file?

When you double-click a file to open it, Windows examines the filename extension. If Windows recognizes the filename extension, it opens the file in the program that is associated with that filename extension. When Windows does not recognize a filename extension, you receive the following message:

Windows can't open this file:


To open this file, Windows needs to know what program you want to use to open it. Windows can go online to look it up automatically, or you can manually select one from a list of programs that are installed on your computer.

To avoid this error, you need to set the file association correctly.

The .mai file extension is often given incorrectly!

According to the searches on our site, these misspellings were the most common in the past year:

ai, ami, hai, jai, kai, lai, ma, maj, mak, mal, mao, mau, mi, mia, mwi

Is it possible that the filename extension is misspelled?

Similar file extensions in our database:

GNU Libtool Temporary Data
Amica Paint Image
Microsoft Access Function Shortcut
AMI BIOS Firmware Update
Macromedia Extension Information
CoCreate Document

Operating systems currently supports the following operating systems:

Windows XP/Vista, Windows 7/8, Windows 10, CentOS, Debian GNU/Linux, Ubuntu Linux, FreeBSD, Mac OS X, iOS, Android

If you find the information on this page useful, please feel free to link to this page.

If you have useful information about the .mai file format, then write to us!