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. It allows users to restore even large-sized PST files that are often not compatible with other tools. We have outlined the best methods for repairing Outlook 365 not working on Windows 10.

Repair/Re-install Outlook 365, 2021, 2019, 2016, 2013, 2010, 2007, 2003

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.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.

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.

Common Issues Which Stop Outlook from Opening on Windows 10

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 Microsoft 365 support 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!

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.

Repair your .pst file in classic Outlook

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.

Have to modify/repair Outlook almost every day to fix it from closing and not reopening. Anyone know what it could be?

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.