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.

Method 5. Disable Third-Party Add-ins

To install the latest Windows and Office updates, click the link below.If a Microsoft 365 application such as Word or Excel isn't working correctly, sometimes restarting it will fix the problem.Whether your Outlook is unresponsive or frequently crashes, this program can help you troubleshoot and fix the root cause of the problem with ease.This worked well although only the agenda item are restored, not the attachments and extra information field.Follow these methods step-by-step to overcome the issue.Occasionally, classic Outlook tries to run a process in the background.

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.

Method 2. Recreate a New Outlook Profile

The only way to resolve Outlook not receiving emails solution 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

How do I repair my Outlook 365 client?

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.

How to Repair Outlook 365 on Windows 10/11?

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. Also, you can recover permanently deleted items and attachments from Outlook with the help of this Outlook repair tool. You can even migrate PST files to Office 365, email servers, and web email clients with the help of this software. The file I was trying to repair, had nothing wrong.

Outlook repair tool

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.