To repair a corrupted Outlook PST file, first create a backup copy of the original PST to protect your data. You can try Microsoft Outlook’s built-in ScanPST.exe (Inbox Repair Tool), but it may not recover data from severely corrupted or inaccessible PST files. In such cases, the Aryson Outlook PST Repair Tool can be used to repair corrupt Outlook PST files and recover emails, contacts, calendars, tasks, notes, and other mailbox items. The software provides three recovery modes—Standard, Advanced, and Deep—based on the severity of PST corruption. It also supports encrypted, password-protected, ANSI, Unicode, and oversized PST files. After scanning, you can preview the recovered mailbox data and save it as PST, EML, MSG, DBX, MBOX, or Archive files. The tool can also selectively restore emails using a date filter and supports Windows 11 and earlier versions.
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