What is the best way to recover a corrupted Outlook PST file?
You can start with the default solution, Scanpst.exe, to repair your PST file. If that doesn’t resolve the issue, we recommend using Goldytools Outlook PST Repair Software. This user-friendly tool efficiently repairs damaged or corrupted PST files, recovering all your email data and calendar entries with precision.
Goldytools supports all versions of Outlook, ensuring compatibility and reliable performance. For a quick and effective solution to PST file corruption, choose Goldytools. This lightweight software is compatible with all Windows editions, making it an ideal choice for your needs.

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Priyanshi Pandey commented
For recovering a corrupted Outlook PST file, the approach depends on the extent of the damage:
1: Use ScanPST.exe (Inbox Repair Tool)
Start with Microsoft’s built-in tool:
• Found in the Office installation directory:
C:\Program Files\Microsoft Office\root\OfficeXX\SCANPST.EXE
Steps:
1. Close Outlook.
2. Launch ScanPST.exe.
3. Browse to the corrupted .pst file.
4. Click Start to scan and Repair to fix.However, it's limited in handling severely damaged or oversized PSTs.
2: Use a Dedicated Tool like Stellar Repair for Outlook
For severe corruption or inaccessible PSTs, Stellar Repair for Outlook is a widely trusted solution—used by Exchange admins and Outlook MVPs.
Why Stellar?
• Recovers complete mailbox data from damaged PSTs (emails, attachments, contacts, etc.)
• Supports encrypted and >50GB PST files
• Preserves folder hierarchy and metadata
• Offers granular recovery with preview optionsFor more Info: https://www.stellarinfo.com/outlook-pst-repair.php?