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My Outlook PST fix MFA prompts not working files (30+GB) were still accessible but running off a hard-drive that had started to fail with bad sectors. I was unable to clone the drive or copy the PST files to a new location. Recovery toolbox was able to rebuild my data files as a new data file on a replacement drive location and continue to use my mail file after the recovery process. Tried many other recommended solutions but none were able to help with the recovery apart from the recovery toolbox for outlook. To get started recovering your corrupted Outlook mailbox files, simply navigate to the online file repair tool and upload your file using the form at the top of the page. Remember to first backup the file to ensure you have an original copy saved.

Recover Your Outlook Mailbox Online

Given Outlook’s key role in managing personal and professional communications, maintaining continued access to your mailbox is essential. Simply I wrongly backed-up my old e-mail history in a .ost file instead of a .pst file, and I needed to check some of the e-mails contained in that file. Your program worked fantastic, and I successfully converted the .ost into .pst having back my old e-mails. Had my agenda only in the ost, so not synched to the webmail.After making a new profile my agenda items were gone.

How to repair Outlook PST files online

There is no limitation on the size and version of the original OST file for the online service.The conversion from OST to PST was quick, accurate and at minimal cost.Thank you.SecureRecovery® for Outlook was created exactly to fix and restore remaining non-corrupted data from damaged pst or ost files.With no software to download and install it’s easier and faster than ever.Recovery Toolbox for Outlook can repair Outlook files of all versions.Windows Explorer showed a size og 76gb, the recovered files is 50GB.If you don’t have a Windows computer with the desktop version of Outlook installed, then you can repair a corrupt PST file by using a special online service here.

Having trouble connecting to your email from Outlook on your desktop? Follow these steps to let Outlook diagnose and fix errors in your Outlook mail profile that might be causing the issue. Recovery Toolbox for Outlook can repair Outlook files of all versions.

Best Microsoft Office 365 Migration Tools in 2025

SecureRecovery® is the leading file recovery software for Outlook mailboxes. I need to convert a large .ost file to a .pst file to set up a new laptop. If you don’t have a Windows computer with the desktop version of Outlook installed, then you can repair a corrupt PST file by using a special online service here. 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.

how to run inbox repair tool for microsoft 365

Some common signs of Outlook mailbox file corruption include failed attempts to open your mailbox and error messages when you do so, missing data, and unexpected crashes. If you’ve been dealing with these issues, then you’re likely dealing with file corruption. Fortunately, SecureRecovery® for Outlook can resolve the situation Modern authentication troubleshooting for you and help you restore your data to its original state. If all the above steps failed, then use the Outlook Inbox repair tool to repair the PST file and replace the corrupted PST file in the Mail profile of Windows.

Although the repair FixTechGuide fix for stuck folders 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. DIY data recovery software or hard drive recovery tools not producing the results you expect. The SecureRecovery® for Outlook demo evaluates the extent of the damage your Outlook mailbox files have sustained. Then, it recovers a few messages per folder and displays all other recoverable data as demo text. SecureRecovery® for Outlook was designed by industry-leading data recovery experts to provide efficient data recovery from corrupted Outlook mailboxes and ensure minimal data loss.

Rebuild or Recreate Outlook Profile for Office 365 or Exchange Accounts

Recovery Toolbox for Outlook can also fix 2GB error PST files. Later, you can divide a resulting file into several PST files, each being of a predetermined size. The steps to access the repair tool vary depending on your operating system. SecureRecovery® is unable to recover files that have been pre-processed by Microsoft’s ScanST.EXE/ScanOST.EXE utilities, due to the structural changes these tools make to them. The Recovery Toolbox for Outlook solves problems with corrupted Outlook storage files. This software is also laced with advanced features, like filter option, scheduler option, etc.