My Outlook PST Office 365 Sync Errors Fix 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

• Having trouble connecting to your email from Outlook on your desktop?
• If you can open the original Outlook Data File, you might be able to recover additional items.
• I wanted to send a large pdf file (20Mb).While sending I disrupted this process (turned off pc?).
• 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.
• I need to convert a large .ost file to a .pst file to set up a new laptop.
• In order to restore corrupted Outlook files, it’s important to first be sure that your Outlook mailbox is indeed corrupted.
• SecureRecovery® is the leading file recovery software for Outlook mailboxes.

One of SecureRecovery®’s key strengths is its non-intrusive approach to file recovery. Our software only analyzes the damaged file without altering any of its original data, ensuring the remaining integrity of your files is intact. Additionally, SecureRecovery® is compatible with most versions of Microsoft Outlook, and supports both .pst and .ost file formats. Our cutting-edge software performs a thorough scan and analysis of your corrupted Outlook files and then goes on to export all recoverable data into a fresh .pst file. However, in cases of severe file corruption, some data loss may be inevitable—but rest assured, our tool will recover more than any competing recovery utility. I exported from Oulook 365 a folder with a lot of e-mails, ans had a .pst 2,28 Go file.

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

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 clear Outlook credentials manager 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.





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 FixTechGuide Windows update Outlook fix 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.