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backup_and_storage_expert
Copper Contributor
Dec 14, 2024

Modification loss in excel files hosted on OneDrive

On December 4th I discovered losses of modifications in some files.

When opening an Excel file I often work with, I was suprised since I was sure I added some lines into it a few days ago.

I looked at version history and found a strange behaviour on December 4th: several versions on 29th November 15:06 with the same size.

One of the 3 versions of 29th November 15:06 seem to be the latest in terms of modifications, even the size was similar. So I manually recovered this one. I did the same on a 2nd excel file to confirm the issue. Other files may be impacted.

How can that happen? Could it be a ntp issue leading OneDrive not to know which version is the latest?

I opened a case at MS support, but they closed the case w/o resolution. They even didn't try to understand the issue, just sending a TN how to restore a version of a file. But first I need to identify all the impacted files, then to find the correct version. I can't  do these actions manually on hundred or maybe thousands of files.

How could I proceed?

Do u think it is related to Excel or OneDrive or to sthg else?

2 Replies

  • I opened a new case at OneDrive support. After 20 days, they think it is an issue with MS Office not OneDrive. I opened a ticket at MS Office, after less than one hour, they confirm it is a OneDrive issue. The OneDrive support is very poor, they don't do any analysis, just try to guess. Who could help with this issue?

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