VS .mar file cannot be renamed or unzipped , conflicting with Microsoft Access Report file

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Article ID: 124895

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Updated On:

Products

CA Application Test Service Virtualization CA Continuous Application Insight (PathFinder) CA Service Virtualization (DevTest / LISA / VSE / Application Test)

Issue/Introduction

We are trying to deliver a solution that involves including certain project files into the .mar file. We need to change file associations but cannot. Also need to rename or open the mar file to verify some things. Root cause seems to be that the .mar file extension is conflicting with the Windows 10 .mar extension for Microsoft Access Report file.

The VS  .mar file extension is conflicting with the Windows  10 .mar extension for Microsoft Access Report file.

Environment

All supported DevTest Environment

Resolution

If you have Microsoft Office installed, any version, and you create a file with a .mar extension, or even if you have an existing file and change its extension to .mar - it automatically turns that file into a Microsoft Access Report Shortcut file 

Workaround: 
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Use the DOS prompt / Cmd prompt  to change or rename  the mar file
>rename *.mar *.zip

Additional Information

Microsoft Forums
https://www.overclockers.com/forums/showthread.php/759488-How-do-you-prevent-mar-extension-ruining-your-files-through-Microsoft-Access