In this guide, we will learn how to repair Outlook 365 in Windows 10/11 with the best possible ways. Upgrade to Microsoft Edge to take advantage of the latest features, security updates, and technical support.

It can be caused due to improper installation of a program, corruption in the hard drive or registry file, etc. This has nothing to do with the email client; improve Outlook stability rather, it specifies bugs on your hard drive. There are no straightforward solutions available to fix this issue, however you can try some common troubleshooting techniques to fix your local hard drives. An attachment can be a file, document, image, etc. that you include while composing an email message. Many Outlook users have complained of encountering ‘Unable to open Outlook attachments’ issue.

Now, check if ‘Something is wrong with one of improve Outlook stability your data files and Outlook needs to close’ is solved. The Inbox Repair Tool is an in-built utility from Microsoft to overcome the Outlook PST file corruption issues. Users can fix Outlook PST files using this utility, but firstly you need to locate the Inbox Repair Tool (ScanPST.exe) in their system. We are going to share a table below with the default location of this utility for different Outlook versions, like Outlook 2010, 2013, or 2019. In earlier versions of Outlook, we previously recommended that you use the Scanost.exe tool for errors that occur with your offline Outlook Data File (.ost).

Use Tasks to create, manage, and track things you want to get done. You can learn more about the new and classic tasks in Outlook.com by going to Use To Do App to manage tasks in Outlook. Add a contact to your Favorites by selecting a contact in the list, and then selecting improve Outlook stability Add to favorites. Each message also has a mini toolbar when you open the message in a new window.

Follow the prompts to complete the installation process. Find the Microsoft 365 app and right-click on it to see the available options. You will see two options – Change and Uninstall. A vast community of Microsoft Office365 users that are working together to support the improve Outlook stability product and others. Select faulty or incorrect add-ins and click Remove.

Even if an email address is spelled correctly, a message cannot be delivered if such a mailbox doesn’t exist. Usually, a message of non-delivery will be generated, which will include important details about the delivery problem. When people complete a subscription form, they may enter their email address incorrectly.

At the top of the message list, you can choose how you want to view the list. See Working with message folders in Outlook.com to learn more about available folders. This improve Outlook stability article describes how to set up multi-factor authentication (MFA) for Office 365 users.

Add an Outlook.com alias to your account and send email to Gmail users using that alias. For more information, go to Add or remove an email alias in Outlook.com. If you're having problems sending or receiving email, read how to Fix Outlook.com email sync issues. Outlook forwards meeting invitations to other attendees without anyone actually sending an update or forwarding an invite. This happens to accounts that are configured in the iOS Mail app. If you can't choose any of the menu options, type inside an email message, calendar event, or contact, Outlook may have frozen.

Here, we list fixes for the possible causes, starting with the most likely culprit. Go in order so you have best chance of getting back to your inbox as quickly as possible. Occasionally, classic Outlook tries to run a process in the background. Auto-archive, sending and receiving a very large attachment, or running some of the other mailbox tools can all be done in the background. Check the status bar at the bottom of the screen to see if another process is running. If so, wait a short time (usually two or three minutes) to see if Outlook starts working again.

If Outlook works fine now, you know one of those add-ins was the problem. Next, you can go back and turn them on one at a time. So, it will be helpful to find out which one caused the issue. In short, even small things can make Outlook stop working. But the good part is, you can fix most of these problems with simple steps.

We will ensure that all information is retained and only contacts with matching information in all fields will be cleaned up. To check if you have received the fix, review your contact list to confirm duplicates have been removed. Add an Outlook.com alias to your account and send email to Gmail users using that alias.

Users can use the Shoviv Outlook PST Repair Tool to effectively repair their Outlook PST files and resolve damaged Outlook profiles. This solution smoothly works for all Outlook versions of data files, like Outlook 2003, 2007, 2010, 2013, 2016, 2019 or 2021. Moreover, it is known improve Outlook stability for its fast repair speed and accurate recovery of all corrupted data from the Outlook PST file. 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.