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Several .dotx errors appear when Design tab is selected in Word 365

Anonymous
2020-04-26T14:23:28+00:00

Hi guys! I'm searching for a solution to a problem I recently discovered. As the subject suggests, when I click the Design tab in Word 365, some errors show up like:

"The last time you opened 'Word2013BW.dotx', it caused a serious error. Do you still want to open it?"

"The last time you opened 'BWClassic.dotx', it caused a serious error. Do you still want to open it?"

"The last time you opened 'Casual.dotx', it caused a serious error. Do you still want to open it?"

Hitting either Yes, No or Cancel results in Word totally blocking and all I can do is force it to close.

Every other tab in Word works fine.

Any help would be greatly appreciated!

Update: found these files in a folder which can be seen in the photo.

Microsoft 365 and Office | Word | For home | Windows

Locked Question. This question was migrated from the Microsoft Support Community. You can vote on whether it's helpful, but you can't add comments or replies or follow the question.

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Anonymous
2020-04-27T15:11:46+00:00

Hi! Apparently a good night sleep for my laptop after choosing the Repair option for the Office I mentioned above did the thing. :D At least for now the problem is gone.

P.S. The Office is named to be 365, don't know if there are any mobile apps. :D

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  1. Charles Kenyon 167.6K Reputation points Volunteer Moderator
    2020-04-26T17:39:29+00:00

    Sorry. I realized after posting that those would not work. That is why I edited the post.

    The files you list are installation files.

    Try running an online repair of Office.

    Repair an Office application - Office Support

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  2. Charles Kenyon 167.6K Reputation points Volunteer Moderator
    2020-04-26T16:56:12+00:00

    Those files are what Microsoft calls \[Quick\] Style Sets.

    Try running an online repair of Office.

    Repair an Office application - Office Support

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  3. Anonymous
    2020-04-26T17:58:49+00:00

    On Windows 10 I found the Apps & Features menu, selected "Office", then Advanced Options and then Repair. I couldn't find an "Online repair" button. Clicking the Repair button didn't help.

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  4. Anonymous
    2020-04-26T17:11:23+00:00

    The first advice with six steps didn't do anything unfortunately.

    Can you please add details about this: "If that eliminates the problem, look for the style set you wanted to use in your locker and move it into the Quick Styles folder." because I'm not sure I understand what to do.

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