Starting Outlook in safe mode, which starts Outlook without add-ins loaded, can tell you if an add-in is the source of the problem. Turn off all the add-ins, close Outlook, and reopen it (not in Safe Mode). If it opens correctly, you can enable the add-ins one by one. After turning on each one, close and reopen Outlook to see if it loads correctly. It will help pinpoint the troublesome add-in you can remove or replace.

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.

Some Safari users are unable to add email addresses in the To section, or cannot point the cursor in the To field. While we fix the problem, you can send the file as a OneDrive link. If you used the workaround below you can now switch from using an Outlook.com alias to your country's domain. When users select the Manage Microsoft Storage quota link at the bottom corner in Outlook.com, they are taken to a blank Settings page.

If you access your Outlook.com account through the iOS Mail app, you may be repeatedly asked to enter your username and password. Microsoft has released a Windows Hotfix file to remove the contacts folder synced by the Teams app. Some Safari users are unable to add email ways to fix Outlook data file errors addresses in the To section, or cannot point the cursor in the To field. This issue has been mitigated and we are continuing to monitor the issue to ensure stability.

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 can't choose any of the menu options, type inside an email message, calendar event, or contact, Outlook may have frozen.

When you add someone as a favorite in People, they'll also show up under Favorites in Mail, and the other way around, provided that the contact has an email address. Use the People page to find, view, create, and edit contacts and contact lists. To learn more about managing contacts in Outlook.com, go to Create, view, and edit contacts ways to fix Outlook data file errors and contact lists in Outlook.com. When you select a specific day in the calendar, any appointment or event scheduled for that day is listed in this area. You also can select a day or time slot and create a new appointment or event.

You can determine if it's corrupted by creating a new profile and ways to fix Outlook data file errors changing which profile is used when Outlook starts. Use the classic Outlook startup troubleshooter to diagnose and fix several common classic Outlook for Windows issues for you. To work around the issue, you will need to end all Office processes that are running and disable the presence features.

See and manage the tasks ways to fix Outlook data file errors in the selected list from this window. Right-click a task for a list of options, or select a task to see and manage its details. To import contacts from other email services, export contacts, or clean up duplicate contacts, select an option from the Manage contacts menu. Add a contact to your Favorites by selecting a contact in the list, and then selecting Add to favorites.

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.

Warning This workaround may make a computer or a network more vulnerable to attack by malicious users or by malicious software such as viruses. We do not recommend this workaround but are providing this information so that you can implement this workaround at your own discretion. Use this workaround at your own risk.If your antivirus ways to fix Outlook data file errors software includes integration with Outlook, you may experience performance issues in Outlook. In this case, you can disable all Outlook integration within the antivirus software. Or, you can disable any antivirus software add-ins that are installed in Outlook.

To get support in Outlook.com, click here or select Help on the menu bar and enter your query. If the self-help doesn't solve your problem, scroll down to Still need help? Visit Firefox support to learn how to Disable or remove Add-ons. Some users may not be able to empty their Deleted Items folder.

In the Search box, type the name or email address of a person or a keyword you want to search for, and press Enter or select . See Working with message folders in Outlook.com to learn more about available folders. Having trouble connecting to your email from Outlook on your desktop? Follow these steps to let Outlook diagnose and fix errors in your Outlook mail profile that might be causing the issue. We love reading your suggestions on new features and feedback about how you use our products!