It is located in the folder of your original Personal Folders (.pst) file. If you can't start the Inbox Repair tool automatically or manually, you may try to repair your Office application. At a higher level, the more visible changes that rebuild Outlook data file quickly you see involve folders and messages. If ScanPST determines that a specific block of the structure or table is unreadable or corrupted, ScanPST removes it. If that block was part of a specific item in Outlook, the item will be removed when it is validated.

• The Inbox Repair tool is automatically installed with all English-language Microsoft Outlook installation options depending on your operating system.
• To create a new Outlook Data File, go to Create an Outlook Data File.
• The Inbox Repair tool creates a backup file with the same name as the original, but with a .bak extension, and saves it in the same folder.
• If you could not open your original Personal Folders (.pst) file before you ran Inbox Repair Tool, the following procedures may not work.
• ScanPST mostly validates and corrects errors in the internal data structures of a .pst file.
• If that block was part of a specific item in Outlook, the item will be removed when it is validated.
• Start with ScanPST.exe for minor issues, escalate to third-party software for complex corruption, and use manual methods as a last resort.
• To start the Inbox Repair tool manually, locate one of the folders by using Microsoft Windows Explorer, and then double-click the Scanpst.exe file.

Step 1 - Exit Outlook and start the Inbox Repair tool

You can create a new Outlook Data File and drag the items in the Lost and Found folder into the new data file. After you've moved all the items, you can remove the Recovered Personal Folders (.pst) file, including the Lost and Found folder. To create a new Outlook Data File, go to Create an Fix Outlook and Office365 Sync Issues Outlook Data File.

Step 2: Select the PST File

Therefore, structures such as BTrees and reference counts, are checked and repaired as necessary. These low-level objects have no knowledge of the upper-level structures, such as messages, calendar items, and so on, that are built upon them. After you run the Inbox Repair tool, you can start Outlook and recover repaired items. Optionally, you can try to recover additional repaired items from the backup personal folder.

Step 2: Load the Corrupted PST File

No validation is explicitly done on body-related properties or on subject-related properties, except the implicit low-level validation that this article discusses earlier. The recipient display properties are changed to be consistent with the recovered recipient table. As soon as this operation is complete, other algorithms are run to collect all the orphaned messages and to put them in an Orphans folder. If you do Fix MFA Prompts Not Working not know where the .pst file is located, follow the steps in How to locate, move, or back up your .pst file. Describes an issue in which the file size limits of .pst and .ost files are larger in Outlook 2010 and Outlook 2013.

Method 3: Manual PST File Recovery

If you can open the original Outlook Data File, you might be able to recover additional items. The Inbox Repair tool creates a backup file with the same name as the original, but with a .bak extension, and saves it in the same folder. There may be items in the backup file that you might be able to recover that the Inbox Repair tool couldn't. Remember that the backup file was the original corrupted file, and you may find that you cannot recover anything other than what was recovered in the Lost and Found folder.