My Outlook PST credential loop in Microsoft 365 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

• If you can open the original Outlook Data File, you might be able to recover additional items.
• SecureRecovery® for Outlook is a cutting-edge utility that repairs and restores data from corrupted Outlook mailbox files (.pst and .ost).
• The PST Online Repair Service does not require Microsoft Outlook to be installed and does not need to have any third-party software installed on your device.
• SecureRecovery® is the leading file recovery software for Outlook mailboxes.
• 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.

Over the next few moments, our robust tool will analyze your file and extract all usable data from it. Then, it will combine the salvaged data into a fully functional version of your mailbox. SecureRecovery® for Outlook was created exactly to fix and restore remaining non-corrupted data from damaged pst or ost files. The above solutions are easy for all users to repair, rebuild, or recreate Outlook Profile for Office 365 or Exchange accounts.

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

I wanted to send a large pdf file (20Mb).While sending I disrupted this process (turned off pc?). As a result my pst-file was corrupted and my outlook could no longer be started/opened.This tool fixed PST-file. You can create a new Outlook Data File and drag the items in the Lost and Found folder Microsoft Outlook Email Repair Tool Online into the new data file. After you've moved all the items, you can remove the Recovered Personal Folders (.pst) file, including the Lost and Found folder. To create a new Outlook Data File, go to Create an Outlook Data File. You can use the Inbox Repair tool (SCANPST.EXE) to diagnose and repair errors in your Outlook data file.





It is mandatory to try all the free steps before using the Recovery Toolbox for Outlook. FixTechGuide mailbox repair steps Do not use the Outlook Fix Tool until you have tried all of the above options. Replacing the corrupted storage with the recovered one, along with correcting the binding in the Outlook profile, is a reliable practice for fixing error 0x F. There is no limitation on the size and version of the original OST file for the online service.

Rebuild or Recreate Outlook Profile for Office 365 or Exchange Accounts

Used the Recovery tool for Outlook to restore the items to a PST from a backup of the old OST files. This worked well although only the agenda item are restored, not the attachments and extra information field. The Microsoft Outlook Inbox repair tool includes an online version, found here. The Outlook Online Repair Service allows you to repair corrupted PST/OST files on any device (desktop, tablet, phone) with any OS (Windows, Android, macOS, iOS and so on). The PST Online Repair Service does not require Microsoft Outlook to be installed and does not need to have any third-party software installed on your device. Users can easily understand the process, as the solutions explained in this blog are simple and reliable.