Whenever these warnings haunt your Outlook, it's a bright red flag that your PST file is compromised. The Outlook inbox repair can recover that damaged file so that Outlook returns to normal functions. You can download the software on Windows/ Mac Desktop or Laptop. You can also try reset cached Exchange mode the free demo version to fix errors in the PST file, i.e., responsible for Outlook crashing. Run the 'Stellar Repair for Outlook' software, and from the 'Select PST File for Repair' dialog box, click 'Find' to search for the archive corrupt PST file.

#1 – SysInfoTools Outlook PST Repair toolkit

• Outlook data file (.PST) may become inaccessible due to corruption caused by the oversized mailbox (large PST), malware or virus intrusion, system or Outlook crash, etc.
• This way, you can access all recovered mailbox components in Outlook.
• The Technician edition of the software can also export the fresh PST file directly to Office 365 and provides additional options to save in MBOX and DBX file formats.
• Though it’s a new name in the field of data recovery, its software products are highly accredited in the global market.
• ScanPST.exe is particularly an Inbox Repair Tool in Outlook.

While the ScanPST.exe tool may help you fix minor Outlook PST file corruption issues, the tool may not be able to mailbox not updating on IMAP repair severely corrupt PST files. The advanced inbox repair tool from Stellar® can repair severely corrupt Outlook PST files and recover deleted Outlook mailbox items in a hassle-free manner. Additionally, the tool can retrieve mailbox components from encrypted or password-protected PST files while keeping the data intact. With Stellar's advanced inbox repair tool, you can repair and recover mail items from any corrupt, inaccessible, or damaged Outlook PST file in 3 simple steps.

Stellar Phoenix Outlook PST Repair

It has been serving customers all around the world since 2010. Its PST Repair wizard is highly popular among Microsoft Outlook users. Data recovery experts and professional users widely recommend this product.

How ScanPST.exe Alternative Works?

With Stellar's advanced inbox repair tool, you can repair such inaccessible PST files and save recovered mail items in a new PST file with a few clicks. The software is compatible with all Outlook versions, including 2021, 2019, 2016, 2013, 2010, 2007, 2003, 2002, and 2000. Yes, the advanced inbox repair tool is a reliable alternative to the Microsoft’s Inbox Repair tool or ScanPST.exe.

Saves Repaired PST Data in Multiple Formats

In such a situation, you must repair the PST file by using a smart PST Repair utility. There are many vendors in the market which provide you PST Recovery software. You can compare them and choose the best one as per your requirement. Stellar Repair for Outlook safely extracts mailbox data from corrupt PST files, saves it in a new PST file, or appends it to an existing PST. Besides PST, the software can also save the recovered mailbox data in EML, MSG, RTF, HTML, and PDF formats.



It contains an easy-to-use interface and many useful features, this is why I’ve ranked it #1. I have a backup PST file of just over 45GB and it has gone corrupt and inaccessible. I need the mailbox data in the Fix Outlook and Office365 Sync Issues file urgently and wanted to confirm whether the Inbox Repair Tool will be able to take on such a large file or not? Everywhere I search on the internet, they say that it can only handle files up to 2 GB, which is kind of unbelievable.



It can repair severely corrupt PST files of any size, unlike Scanpst.exe, which might not effectively repair large-sized or highly corrupt files. Further, the tool also repairs encrypted or password-protected PST files without any data loss. Microsoft Outlook is a popular email client among Windows users. If you’re using it on a daily basis, you must be familiar with the Outlook data file. A PST file stores the complete mailbox of MS Outlook client which includes email messages, contacts, calendars, tasks, journals, etc. If you have a corrupt PST file, you can’t open or access it.