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on January 15, 2026
Each message also has a mini toolbar when you open the message in a new window. For each message, you can delete it, mark Outlook not opening on Windows 10 it as unread, flag the message, or pin it to keep it at the top of your folder. To show or hide the Folders list, select Show or Hide the navigation pane.
To learn more about how to share feedback, see How do I give feedback on Microsoft Office. Right-click the folder, and then click Properties to check your permissions for the folder. See the folder owner or your administrator to change your permissions. To access the filtering options faster, add them to your Quick Access Toolbar. You may 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. The loading of unregistered MAPI services has been disabled by default to make Outlook more secure.
If you are still seeing this issue, restart Outlook a couple of times so it can pick up the service change. All colleagues have a on-prem mailbox, just like myself. Upgrade to Microsoft Edge to take advantage of the latest features, security updates, and technical support. We recommend setting Windows Update to automatically download and install recommended updates.
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. If you typically use an Outlook.com account for email, this issue can occur if there are multiple aliases on the account and the 3rd party email address is the primary alias. While these Microsoft accounts work in other Microsoft products (e.g. OneDrive, Windows, Xbox), they are non-functional when visiting Outlook.com.
To learn more about how to share your feedback, see How do I give feedback on Microsoft Office. Switch your alias to an Outlook.com or Hotmail.com account. Visit Firefox support to learn how to Disable or remove Add-ons. Some users may not be able to empty their Deleted Items folder. We will update this article as soon as we have more information on a fix.
To work around the issue, you will need to end all Office processes that are running and disable the presence features. Restart the Outlook application and check if the issue persists. Further, start the application again to check if the error has been fixed. Here, we have mentioned an overview of all possible troubleshooting solutions. Begin by creating a brand-new profile for Outlook and set it up with a POP email account. If it opens successfully, the problem isn’t with Outlook but with the PST file from your previous account, which can be damaged.
You can learn Outlook not opening on Windows 10 more about the new and classic tasks in Outlook.com by going to Use To Do App to manage tasks in Outlook. Contact someone directly by selecting Start chat or Send email. If you decide you don't want the calendar you created, right-click the calendar and select Remove. 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.
This shouldn’t be an issue, however, because if Scanpst finds any errors, it will prompt you to make a backup before attempting to repair the file. In this window you can check the status, the number of failed requests (under Req/Fail), and which mailbox is experiencing the issue. To the right of each Outlook not opening on Windows 10 folder is the Empty drop-down menu which provides options to delete all items in that folder, or items 3 months and older, 6 months and older, and 12 months and older. For more information on how to improve Outlook performance when using MDaemon Connector, you can review our Improving Outlook Performance how-to guide. Each folder will be listed with its size and number of messages. Outlook email accounts are provided to employees, students, alumni, retirees, and for generic accounts.
A vast community of Microsoft Office365 users that are working together to support the product and others. In this case, sign in to the Microsoft 365 portal by using your administrator credentials, and then select service health to determine whether other customers are experiencing the same issue. If other customers are experiencing the issue, the issue should end when the service-interrupting event is resolved. Brad has worked in technical and marketing roles at MDaemon Technologies, where he contributes as Content Marketing Manager.
If it is required, check if there are other Outlook settings that could optimize its performance in Outlook. Upgrade to Microsoft Edge to take advantage of the latest features, security updates, and technical support. In some cases, an Outlook messaging profile may be misconfigured.
There are various solutions to resolve the error of Outlook hanging on the loading profile. You just need to read the entire blog to get your answer. One of the things that can help you get rid of the "Outlook stuck on loading file" problem is to launch Outlook as an administrator. There is nothing as such that you have to do in this.