My Outlook PST FixTechGuide support for Office 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

• Technical support for the first year is included in the program price.
• One of SecureRecovery®’s key strengths is its non-intrusive approach to file recovery.
• Dozens of file formats are supported, including Microsoft Word documents, Excel spreadsheets, PowerPoint presentations, Access databases, JPEG, GIF, TIFF, BMP, PNG and RAW images.
• Super recovery, very fast and did a perfect job, can recommend to any one looking for recovery software.

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

Users can also try its free demo version in their system to get more details on its features and working procedures. Dozens of file formats are supported, including Microsoft Word documents, Excel spreadsheets, PowerPoint presentations, Access databases, JPEG, GIF, TIFF, BMP, PNG and RAW images. Super recovery, very fast and did a perfect job, can recommend to any one looking for recovery software. With this sequence of actions, you can correctly and losslessly transfer data to Outlook 2019 in case of an incorrect software update. The conversion from OST to PST was quick, accurate and at minimal cost.Thank you. If a Microsoft 365 application such as Word or Excel isn't working correctly, sometimes restarting it will fix the problem.

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 fix MFA prompts not working 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.





When using this solution to recreate or rebuild an Outlook profile for an Office 365 or Exchange account, please make sure that Outlook and its related programs are guide to Office 365 sign-in errors closed. If using this method, you won’t be able to repair your Outlook profile for Office 365 or Exchange account; jump to the next section and recreate or rebuild your Outlook profile. We hope you now clearly understand the reasons why users need to repair Outlook profiles for Office 365 accounts. Before adding the recovered PST file to Outlook, you must delete the corrupt PST file from Outlook settings or your Windows Mail profile. Windows Explorer showed a size og 76gb, the recovered files is 50GB. I will still have to verifiy if everything has been recovered.





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.