If you can't open Outlook, or Outlook disappears or crashes, one of your add-ins may be to blame or you may need to update Outlook.

Additional resources

• My PST got corrupted as it grew too large.
• 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 exported from Oulook 365 a folder with a lot of e-mails, ans had a .pst 2,28 Go file.
• It is the best PST repair software to repair and restore data from corrupt PST or password-protected files.
• You can save recovered PST data to DBX, MBOX, MSG, EML, TXT, RTF, HTML, and MHTML formats.

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. The source file was not damaged I was converting my laptop from imap to pop email. I used your tool to convert the imap .ost file to .pst. Had my agenda only in the ost, so not synched to the webmail.After making a new profile my agenda items were gone. Used the Recovery tool for Outlook to restore the items to a PST from a backup of the old OST files.

Repair an Office application

All these methods are effective in resolving the issue. However, these methods are a little bit risky and time-consuming. To avoid risk and time, you can use our recommended tool as Office 365 login issues it has excellent features that can help you restore your corrupt or damaged PST files easily.

Methods to Repair Outlook 365 in Windows 10: Best Resolutions!

Recovery Toolbox for Outlook can repair Outlook files of all versions. How to repair a PST file in Outlook in few clicks. 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.

Online Repair

The trial version of the software is also available for free download, so you can try it before purchasing the full version. The Recovery Toolbox for Outlook technical support team can be a last resort in difficult cases. The development team can individually analyze the corrupt file and recover the maximum amount of data from the corrupt Outlook file. Technical support for the first year is included in the program price. The Microsoft Outlook Inbox repair tool includes an online version, found here.

Is classic Outlook frozen?

This worked well although only the agenda item are restored, not the attachments and extra information field. 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. It is mandatory to try all the free steps before using the Recovery Toolbox for Outlook. Do not use the Outlook Fix Tool until you have tried all of the above options. I exported from Oulook 365 a folder with a lot of e-mails, ans had a .pst 2,28 Go file. I could of course import the pst file in Outlook, but I did not wanted to do that, in order to avoid duplicates in Outlook.



So, I used Toolbox recovery to convert the pst file in msg, ans I copied and paste the msg files in Outlook, and it worked perfectly. I wanted to send a large pdf file (20Mb).While sending I disrupted this process (turned off pc?). As a result I had an unclosed mail in my pst-file. As a result my pst-file was corrupted and my outlook could no longer be started/opened.This tool fixed PST-file. 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.