Best Way to Handle corrupted OST File

Anamika

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Jan 3, 2026
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The best way to handle a corrupted OST file is to first understand the level of damage and whether the file is still connected to your account.

In cases of minor corruption, you can rely on built-in options in Microsoft Outlook. Simple actions like restarting Outlook or deleting and recreating the OST file can resolve the issue. Once deleted, Outlook automatically rebuilds the file by syncing data from the server, restoring your mailbox items.

On the other hand, if the OST file is badly corrupted or no longer linked to its original profile, these methods won’t work. This is where a professional OST recovery tool becomes essential. It allows you to open damaged or orphaned OST files, recover complete mailbox data, and export it into accessible formats like PST, EML, or MSG.

Using a recovery tool also offers added advantages such as deep scanning, recovery of deleted items, preservation of folder hierarchy, and no dependency on server connectivity.

Quick overview:

  • Fix minor issues with Outlook resynchronisation.
  • Use BLR Recovery tool for severe corruption

Following this approach ensures a safe and effective way to handle corrupted OST files without losing important data.