MS-Office SP3 Overrides “.mat” Matlab File Association

This morning MS-Office SP3 was pushed onto my machine, and afterwards I noticed that all my former “.mat” files were missing their file extension and were identified as “Microsoft Office Access Table Shortcut” as can be verified by looking at Tools -> Folder Options -> File Types.

Deletion of this file association, and creation of a new “.mat” file extension and associating it with the recommended Application, Matlab, restored the “.mat” data files.

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