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Why Does My OST File Keep Getting Corrupted After Outlook Sync and How Can I Fix It Permanently?
by sam samjackob - Tuesday, 21 October 2025, 4:00 AM
 

Every few weeks, my Outlook stops syncing properly and the OST file ends up corrupted. I've repaired it multiple times, but the issue keeps coming back. Is there a permanent way to fix these recurring OST corruption problems? Could it be caused by server connection drops or large mailbox size?

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