If you have encountered Office crashed when Office Tab is enabled in some rare circumstances, you can try to solve the problem as follows:
Please try to solve Office (Excel, Word or PowerPoint) crashes when Office Tab is enabled.
1. Please make sure you have downloaded and installed the latest version of the software first.
2. If the problem persists after installing the latest version, Please go to disable all the other add-ins in your PowerPoint Add-Ins manager. (Where is the Add-Ins manager? For example, please click File > Options > Add-Ins in PowerPoint 2010.)
How to disable Add-Ins? Please select COM Add-ins from Manage drop-down list in the bottom of the above screenshot and click Go… button. In the pop-up COM Add-Ins dialog box, please uncheck the add-in you want to disable.
3. If the problem persists after disabling all the other add-ins in your specific Office application, such as Word, Please take a screenshot of the Add-Ins manager and send an email with detailed information of your Office version information and your computer system to firstname.lastname@example.org. Please don’t forget to send your screenshots.