ost is not an outlook data file (1)
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How to Fix the “OST Is Not an Outlook Data File” Error

All mailbox data is saved in OST (Offline Storage Table) file format when the user is working in MS Outlook's offline mode. For instance, users occasionally report problems accessing the OST data, or users occasionally lose access to crucial informat...

Radison lury · 27 September 2023 · 10
How to Fix the “OST Is Not an Outlook Data File” Error