
I couldn't have done it without putting all the comments together. Then the next Microsoft window will appear asking if you want to "Let this app (Tbird in this case) access your info 1 of 1 apps"...click "Accept". One of Thunderbird's core principles is the use and promotion of open and decentralized standards. If you can't choose any of the menu options, type inside an email message, calendar event, or contact, Outlook may have frozen. There are three steps you can take to try to get Outlook working again.
Microsoft Outlook PST repair tool
- This error leads to less productivity, especially if Outlook 365 is your default email client.
- Once the installation is complete, launch the program.
- Follow the prompts to complete the installation process.
- Super recovery, very fast and did a perfect job, can recommend to any one looking for recovery software.
- You might need to set Windows Update to automatically download and install recommended updates.
- When you're done, you might need to restart your computer.
- The Microsoft Outlook Inbox repair tool includes an online version, found here.
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.
How to repair outlook?
The only way to resolve FixTechGuide email troubleshooting 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.
Quick Repair
How do I repair my Outlook 365 client?
If you’re experiencing any issues with Outlook on your Windows 10 system, there’s no need to panic. Find the Microsoft 365 app and right-click on it to see the available options. You will see two options – Change and Uninstall. Click the Change option to repair Office 365. Hope this helps and this was definitely the true fix I was struggling to find.
Repair your .pst file in classic Outlook
You might need to set Windows Update to automatically download and install recommended updates. Installing any important, recommended, and optional updates can often correct problems by replacing out-of-date files and fixing vulnerabilities. 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. If that doesn't work, you can try repairing it. When you're done, you might need to restart your computer.
Is classic Outlook frozen?

Windows Explorer showed a size og 76gb, the recovered files is 50GB. I will still have to verifiy if everything has been recovered. There can be instances that your Outlook profile is corrupted, recreate a new Outlook profile to resolve the issue. Outlook being a great platform, still encounters some glitches and errors like Outlook 365 not working on Windows 10. This error leads to less productivity, especially if Outlook 365 is your default email client.
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.