Sharepoint 2013 files cannot be opened directly

Copper Contributor

Hello everyone

I would like to ask a question. At present, when you want to open Word or execl in Sharepoint 2013, you cannot open it directly on the SharePoint 2013 web page, and an error message is displayed.

Sorry, a problem has occurred and this file cannot be opened. If the problem recurs, please open the file in Microsoft Word.

At present, it has been confirmed that the file is normal, and the test download can be opened and used. This problem occurs after the root certificate expires and cannot be opened in the SharePoint 2013 web interface. After the update of the root certificate is completed, the login to SharePoint 2013 page always shows that the certificate is safe. Yes, only the file opening will be abnormal, I would like to ask if someone has encountered this problem, thank you.

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