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This issue started happening yesterday.

Users are reporting that if they try to open an Office document this works fine. However, if they try to open a previous version they get either a blank application open with no document, an error saying it cannot open the file(which looks like it's generated from the Application, not SharePoint) or they are continually prompted for a login and password.

This is happening on all sites using all browsers. So previous resolutions on Technet which suggest this is an IE issue do not apply here.

As far as I can tell, no changes have been made to the Farm and no security updates have been rolled out.

The ULS Log didn't provide anything useful and I'm of a mind that this is an issue with Office rather than SharePoint but I cannot prove it.

If I download a local copy of an older version of the document it still does not open, which further strengthen my belief this is external to SharePoint.

I installed Libra Office to a test machine and if I try to open an older version of a Document using Libra it works.

I don't know if this is significant but I will mention it anyway. The latest version of the file opens in the Browser, but the previous versions attempt to open in the Client Application.

Any help/suggestions gratefully received....

Dan.

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  • I've done some further investigation by turning up logging to Verbose and replicating this issue. This revealed the following entries :- SPShareByLinkHandler.IsShareableByLink : ShareByLink disabled at SPSite or tenant level SPShareByLinkHandler.IsShareableByLink : ParentList is not a shareable SPShareByLinkHandler.CanManageSharingLink : object is not shareable
    – Dan
    Sep 26, 2018 at 12:41
  • This gets weirder. I can see the current version fine. But not the older versions. If I download the older versions I still cannot open them locally. However, if I rename the downloaded local version from a .docx file to a .doc file , it opens in word ! I've just got a user to create a brand new document and create versions and they are still seeing this behaviour. But they also sent me the current version and 2 older versions in a zip file. All 3 opened for me as expected.
    – Dan
    Oct 2, 2018 at 9:31
  • The only other thing I've discovered is that the Office Web Apps server has never been patched where as the SharePoint App server is bang up to date. Still hoping someone has some suggestions. Thanks, Dan
    – Dan
    Oct 2, 2018 at 9:32

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