My Outlook PST Outlook profile repair and recovery steps 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

Had to re-install windows.I want to recover all pst, and ost. It is vital for users to be aware of the reasons why Outlook profiles need to be rebuilt or repaired before jumping into the steps. So, read the points below and learn common reasons behind damaging an Outlook profile. These same steps will allow you to quickly and correctly import a PST file when migrating from/to Outlook 2016. The online import of the Outlook 2016 PST file is completely similar to the 2019 version. SecureRecovery® for Outlook can repair a variety of Outlook data types, including folders, messages, contacts, calendar entries, and more.

How to repair Outlook PST files online

• SecureRecovery® for Outlook can repair a variety of Outlook data types, including folders, messages, contacts, calendar entries, and more.
• My Outlook PST files (30+GB) were still accessible but running off a hard-drive that had started to fail with bad sectors.
• The steps to access the repair tool vary depending on your operating system.
• 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.
• 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.
• If a Microsoft 365 application such as Word or Excel isn't working correctly, sometimes restarting it will fix the problem.

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

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 resolve Outlook not sending emails fast 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.

How to repair Outlook PST files

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 resolve Outlook not sending emails fast 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.

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.