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Microsoft Outlook creates a PST file, while you configure an account in Outlook. The PST stores copies of messages, calendar, notes, tasks, contacts and other items.

PST file may get corrupted because of many reasons, in that case, you would be unable to open Outlook. The reasons could be Virus, improper outlook shutdowns, corruption in header files, pst file has reached maximum size limit etc.

In that case you can use outlook utility, named Inbox repair tool to fix your pst file.

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10y ago

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