To learn more about managing contacts in Outlook.com, go to Create, view, and edit contacts and contact lists in Outlook.com. Each message also has a mini toolbar when you open the message in a new window. For each message, you can delete it, mark it as unread, flag the message, or pin it to keep it at the top of your folder. Upgrade to Microsoft Edge to take advantage of the latest features, security updates, and technical support. We have multiple tools to help you automatically diagnose an issue, troubleshoot, and fix problems with Outlook.

There might also be a visual alert that a message is unread, has an attachment, or is flagged. See Working with message folders in Outlook.com to learn more about available folders. You can give feedback by selecting Help from the top menu, then Feedback. To learn more about how to share your feedback, see How do I give feedback on Microsoft Office. Post questions, follow discussions and share your knowledge in the Outlook.com Community. If you're still unable to send or receive email, read how to Fix Outlook.com email sync issues.

For example, writing gamil.com instead of gmail.com is a common typo that will cause problems with delivery. If you manually type in the secondary connected account email address in the "From" field, the email is sent as "On behalf of" your primary Outlook.com account. Refer to our comprehensive list of common SMTP settings or consult your email provider for the correct parameters. Incorrect SMTP parameters are a frequent cause of email sending issues. Your email client needs the correct settings to communicate with the SMTP server. To access the calendar Outlook Fix resource center shared with your Microsoft 365 for business account, you'll need to accept the invitation from Outlook on the web, iOS, or Android.

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're using Outlook 2010, Outlook 2013 or Outlook 2016, uninstall and re-install iCloud to resolve this issue. To edit a shared calendar, go online to your own Outlook.com calendar, open Calendar for Windows 10, or use a mobile device.

Upgrade to Microsoft Edge to take advantage of the latest features, security updates, and technical support. You can start Outlook in safe mode, disable your add-ins, and then try to open Outlook normally. 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. For a short intro about how to access and read the Event Viewer in Windows, see this Quick Tip. If these methods dose not work, you can also try a third party tool, Kernel for Outlook PST Repair tool. If anyone finds a more permanent solution, I would appreciate it.

If your Outlook hangs up, it might take another close/reopen. See work, group, and personal calendars with ease, wherever you want to be. Note that you can quickly tell how your mail is currently sorted, by the presence of a small triangle on the field headers. Please install the Windows 10 Fall Creators Update to fix this issue.

For more information about when builds are available for their respective channels, go to Update history for Microsoft 365. We're investigating the issue and will update this page when a fix is available. MAPI does not validate that a provider's DLL that it is requested to load is registered correctly in MapiSVC.inf or even that Outlook Fix resource center it comes from the local machine. This can be exploited by creating a file together with an OLE object in such a way to cause MAPI to load a DLL from a network share when the OLE object is activated. If you're using Outlook 2010, Outlook 2013 or Outlook 2016, uninstall and re-install iCloud to resolve this issue. For additional support, see How to get support for Outlook.com.

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.

Solutions to Troubleshoot 'Out of Memory or System Resources' ErrorCheck Resource Usage. ...Restart and Update Outlook. ...Optimize System Resources for Outlook. ...Find and Remove Faulty Add-ins from Outlook. ...Increase the Size of the Memory Heap. ...Rebuild the OST File.Apr 7, 2025

Although it's not possible at the moment to turn Outlook Fix resource center the feature off entirely, you can choose to remove it from your favorites list by right clicking the folder and selecting Remove from Favorites. To help you get rid of these duplicates, we have released a fix which will automatically clean up your contact list. This fix will clean up duplicate contacts for end users starting August 9, 2023. Rollout of the fix to all users will take few weeks, so, some users may see the fix applied by the end of September. 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.