The PMI file extension is related to the Pegasus Mail e-mail message service. The *.pmi file contains message folder index.

There is one other file type using
the PMI file extension!

empty icon.pmi - OS/2 program manager information

Detailed description

Software that works with pmi file extension

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PMI file extension - Pegasus Mail message folder index file

What is pmi file? How to open pmi files?

File type specification:

Email related data file type icon Email related data file type

The PMI file extension is associated with the Pegasus Mail e-mail mesagging service and client.

These file pairs reference actual mail folders, where messages are stored in a more compressed form. The former indexes the position of the message in the latter file. The *.PMM file is a normal ASCII file containing all messages, separated by a CTRL-Z. Although this are ASCII files, any editing can mess up the folder content, making it impossible to access any individual messages. The above does not apply to the New Mail folder. That folder is just a view on files with a *.CNM extension

The default software associated to pmi file type:

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 PMI files:

Currently we have no specific information in the database, about how to open this email related data file type.

How to convert file with extension PMI:

Currently there is no specific information available, about how to convert this file extension.

List of software applications associated to the .pmi file extension

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

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

  • Open pmi file
  • Edit pmi file
  • Create pmi file
  • Backup pmi file

Software that open pmi file - Pegasus Mail message folder index file

Click on the link to get more information about Pegasus Mail for open pmi file action.

Microsoft Windows:

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PMC file extension > Email related data file types

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