The 5 best tools to repair PST files and fix Outlook errors include a combination of Microsoft’s built-in utility and highly rated third-party specialized software. These tools resolve common Outlook issues such as “cannot open Outlook data file”, oversized PST crashes, and accidental email deletions.
Here is an analysis of the top tools based on expert usage and technical recovery capabilities. 1. Microsoft Inbox Repair Tool (ScanPST.exe)
Best for: Fixing minor data inconsistencies completely free of charge.
How it works: It is a built-in utility located directly within your Microsoft Office installation directory. It scans the internal structure of .pst and .ost files to correct folder structural errors.
Limitations: It frequently freezes or fails when handling heavily corrupted files or oversized PST databases exceeding 2GB.
Learn more: Read the official Microsoft Support ScanPST Guide for manual execution steps. 2. Stellar Repair for Outlook
Repair Outlook Data Files (.pst and .ost) – Microsoft Support
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