If creating a new profile solves your issue, you can return to the Show Profiles dialog and delete your old profile. If you have Outlook in your startup folder, remove the shortcut from the startup folder. Sometimes outdated or over-protective anti-virus / anti-spam programs can conflict with Outlook or with one of your Outlook add-ins. As a result, the step-by-step Outlook troubleshooting anti-virus blocks the add-in and prevents Outlook from functioning properly.

If you see messages piling up in your Outlook outbox or people you're sending messages to aren't receiving them, try the following methods to fix the issue. Clear the cache or recreate the Outlook profile if performance is degraded or errors persist. If Outlook is NOT able to start in safe mode, then try the step-by-step Outlook troubleshooting next proposed solution below, entitled Create a new Outlook profile. Use the classic Outlook startup troubleshooter to diagnose and fix several common classic Outlook for Windows issues for you.

Open your Outlook (2019, 2016, 2013, 2010) account in safe mode. If it works fine, then Outlook PST error can be fixed easily. Or else you need a perfect solution to resolve Microsoft Outlook error message without data loss. In case, these above-discussed techniques do not work, you still face Microsoft Outlook issues. Also, if you do not know the exact reasons for the error and want to resolve them.

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. If you're using Outlook 2010, Outlook 2013 or Outlook 2016, uninstall and re-install iCloud to resolve this issue. This issue affects Outlook 2007, Outlook 2010, Outlook 2013, and Outlook 2016. After installing the September Public Update, Outlook 2007 displays mixed languages in the user interface. Follow along with the video below to see how to install our site as a web app on your step-by-step Outlook troubleshooting home screen.

For newer versions (2010 and later), check the Send/Receive Groups and disable scheduled sending/receiving. If you don’t want to go with the manual methods to fix these errors, you can directly go with the Outlook PST Recovery Tool. It is highly recommendable or suggestive by IT Professionals and experts.

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. 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.

This alias will be added to their account as a secondary alias, with the original 3rd party alias will continue to be set up as the primary. Once this step is complete, the user will land in their Outlook inbox and be able to use all Outlook functionality with this new email address. You can also add the secondary connected accounts (Gmail, Yahoo, etc.) in Outlook.com as additional accounts in the Outlook profile. Sometimes, an Outlook add-in will crash and prevent your email messages from sending.

While attempting, the damaged program or an out-of-date can cause this error. You can sort out this issue with the help of some common configurational changes. There is currently no option to revert to the prior behavior, but we would love to hear your feedback to help us with future designs. To learn more about how to send us feedback, please see How do I give feedback on Microsoft Office. You may step-by-step Outlook troubleshooting notice that All, Unread , Mentioned and other sort and filtering options, such as By date, and Newest are missing in Outlook above your email list. Please install the Windows 10 Fall Creators Update to fix this issue.

To determine whether this problem is caused by a corrupted user profile, create a user profile to see whether the problem still occurs when you use the new profile. When you start Windows normally, several applications and services start automatically and then run in the background. These applications and services can interfere with Outlook. A Selective Startup or "clean boot" process can help you identify problems that are caused step-by-step Outlook troubleshooting by application conflicts.

If you used the workaround below you can now switch from using an Outlook.com alias to your country's domain. The folder may have been deleted or the server where the folder is stored may be unavailable. You don't have appropriate permission to perform this operation.

Be aware that if you are connecting to an Exchange Server mailbox, your mailbox or your email messages are already being scanned by antivirus software on the server. For more information, see You may experience application pauses if you have a large Outlook data file. Optionally, if you have a Microsoft Exchange online archive, you can move items to that archive or create retention policies to automatically dispose of older items.