The .mar file extension is related to spreadsheet files created by the Mariner Calc.

There are 6 other file types using
the MAR file extension!

mar icon.mar - Microsoft Access report shortcut

empty icon.mar - Pegasus Mail attribute record file

mar icon.mar - Mozilla archive

mar icon.mar - MSN archive

empty icon.mar - MARC 21 bibliographic data

empty icon.mar - WebSphere Business Modeler process model template

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MAR file extension - Mariner Calc spreadsheet file

What is mar file? How to open mar files?

File type specification:

Spreadsheet and workbook file type icon Spreadsheet and workbook file type

The MAR file extension is associated with the Mariner Calc, a word processing application for Mac users, developed by Mariner Software.

The .mar files contain spreadsheet created with the application.

The default software associated to open mar file:

Mariner Software, Inc. logoMariner Calc  Apple macOS / Mac OS X software

Company or developer:
Mariner Software, Inc.

Mariner Calc is some older spreadsheet software for Mac OS X which was eventually replaced by the Calc XLS.

Help how to open:

Use Mariner Calc to open .mar spreadsheet files.

How to convert:

As far as we know, this .mar file type can't be converted to any other file format. This is usually the case of system, configuration, temporary, or data files containing data exclusive to only one software and used for its own purposes. Also some proprietary or closed file formats cannot be converted to more common file types in order to protect the intellectual property of the developer, which is for example the case of some DRM-protected multimedia files.

List of software applications associated to the .mar 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 mar file, edit mar file, convert mar file, view mar file, play mar 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 able to perform the specified software action, such as opening, editing or converting mar files.

Software that open mar file - Mariner Calc spreadsheet file

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

Apple macOS / Mac OS X:

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