If you cannot import the Newname.pst file into Outlook, unfortunately you have lost all the information that is not in the Lost and Found folder. Outlook PST files fix MFA prompts not working can become corrupted due to factors like abrupt shutdowns, large file sizes, or malware. Repairing these files is crucial to recover lost or inaccessible email data. To repair a PST file, use a specialized tool like Shoviv Outlook PST Repair.

• If you could open the file, the following procedure may help you recover additional items from your damaged Personal Folders (.pst) file.
• There may be items in the backup file that you might be able to recover that the Inbox Repair tool couldn't.
• Describes an issue in which the file size limits of .pst and .ost files are larger in Outlook 2010 and Outlook 2013.
• In the Inbox Repair tool, type the path and the file name of your personal folders (.pst) file or select Browse to locate the file by using the Windows file system, and then select Start.

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 Outlook profile repair and recovery steps Outlook Data File.

Step 2: Select the PST File

Although the repair process might recreate some of the folders, they may be empty. The Lost and Found folder contains any folders and items recovered by the repair tool that Outlook can't place in their original structure. For advanced users, manual methods can recover data from corrupted PST files, though they carry higher risks. Using this tool helps in effectively recovering data from corrupted PST files, ensuring smooth Outlook operations. In the Inbox Repair tool, type the path and the file name of your personal folders (.pst) file or select Browse to locate the file by using the Windows file system, and then select Start.

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 rebuild Outlook data file quickly 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.