A daily updated filename extension database!

MAR file extension

The table below provides useful information about the .mar file extension. It answers questions such as:

  • What is the .mar file?
  • What program do I need to open a .mar file?
  • How can the .mar file be opened, edited or printed?
  • How can I convert .mar files to another format?

We hope you find this page helpful and a valuable resource!

2 extension(s) and 0 alias(es) found in database

✅ Microsoft Access Report

Microsoft Access Report .mar file icon
MAR file is a Microsoft Access Report.
Category: Document files
Application: Microsoft Access
Mime-type: application/vnd.ms-access
Magic number: -
Magic string: -
Sample: -
MAR aliases:
MAR related links:
MAR related extensions:
Lotus Approach 97 Document

Microsoft Access Macro

Microsoft Access Query

Microsoft Access Table

Microsoft Access Add-in

Microsoft Access Database

Microsoft Access Blank Database Template

Microsoft Access Wizard Template

Microsoft Access Blank Project Template

Microsoft Access Diagram Shortcut

✅ Pegasus Mail Attribute Record Data

Pegasus Mail Attribute Record Data .mar file icon
MAR file is a Pegasus Mail Attribute Record Data. Pegasus Mail is a previously freeware, proprietary, email client that is developed and maintained by David Harris.
MAR format description not yet available
Category: Data files
Application: Pegasus Mail
Mime-type: application/octet-stream
Magic number: -
Magic string: -
Sample: -
MAR aliases:
MAR related links:
MAR related extensions:
Pegasus Mail Draft Message

Pegasus Mail Saved Message

Pegasus Mail Outgoing Draft Message

Pegasus Mail Outgoing Final Message

Pegasus Mail Folder Data

Pegasus Mail Folder Index

Pegasus Mail Folder State

Pegasus Mail UID Information

Pegasus Mail Temporary Data

Pegasus Mail Stored Searches Data

Other types of files may also use the .mar file extension.

🚫 The .mar file extension is often given incorrectly!

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

amr, ar, har, jar, kar, lar, ma, mad, mae, maf, mag, mat, mr, mra, mwr

Is it possible that the filename extension is misspelled?

We found the following similar file extensions in our database:

Java Archive
Altair FEKO Matrix Element Data
Adaptive Multi-Rate Audio
Microsoft Access Table
Mlat Adlib Tracker Music
MatrixREDUCE 2.0 PSAM XML Format Data
MIDI Karaoke Song
Pro/ENGINEER Material Properties Data
BrainVoyager QX Anatomical Slices

🔴 Can't open a .mar 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 cannot open this file:


To open this file, Windows needs to know what program you want to use to open it...

If you don't know how to set the .mar file association, check the FAQ.

🔴 Can I change the extension of files?

Changing the filename extension of a file is not a good idea. When you change a file's extension, you change the way programs on your computer read the file. The problem is, changing the file extension does not change the file format.

If you have helpful information about the .mar file extension, write to us!

Browser: Abbreviation Application Archive Audio Configuration Data Development Disk Image Document Ebook Font Game Data GIS Graphic Malware Multimedia Other Project Scam Unknown Video
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