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.

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My PST got corrupted as it grew too large.I exported from Oulook 365 a folder with a lot of e-mails, ans had a .pst 2,28 Go file.The source file was not damaged I was converting my laptop from imap to pop email.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.As a result my pst-file was corrupted and my outlook could no longer be started/opened.This tool fixed PST-file.

I need to convert a large .ost file to a .pst file to set up a new laptop. Recovery Toolbox worked very well and relatively quickly. Had to re-install windows.I want to recover all pst, and ost. My PST got corrupted as it grew too large.

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The only way to resolve Common Outlook Errors explained this issue is to repair Outlook 365 in Windows 10. But the problem arises when you don’t know the correct way of doing it. The steps to access the repair tool vary depending on your operating system.

Method 4. Change your Firewall Settings

Why does Outlook keep asking for repair?

Tried many other recommended solutions but none were able to help with the recovery apart from the recovery toolbox for outlook. There are many methods to repair Microsoft Outlook 365, but none can deal with highly corrupted PST file. In such case, Kernel for Outlook PST Repair tool comes in handy.

Microsoft Office Apps need Repair

My Outlook PST 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.

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.