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on December 28, 2025
Your profile stores a variety of settings that control how Outlook looks and feels. You can create a new profile and then add your email accounts to the new profile. If repairing your Microsoft 365 programs didn't resolve https://office365emailfix.blogspot.com/2025/10/fix-outlook-not-sending-or-receiving.html your issue, move on to the next step.
The above solutions are easy for all users to repair, rebuild, or recreate Outlook Profile for Office 365 or Exchange accounts. However, when it comes to repairing Outlook PST or OST files, it is necessary for users to rely on a third-party tool, like the https://office365emailfix.blogspot.com/2025/10/fix-outlook-not-sending-or-receiving.html Shoviv Outlook PST Repair Tool. This software lets users quickly repair Outlook PST from any version, including Outlook 2003, 2007, 2010, 2013, 2016, 2019, or 2021. For a closer look at its functionalities, users can download and try its free trial version in their system. If you are dealing with a broken Outlook, then it doesn’t always mean you need to call tech support or start over from scratch. With the right steps, you can repair Outlook manually and get back to work in no time.
You can also add the secondary connected accounts (Gmail, Yahoo, etc.) in Outlook.com as additional accounts in the Outlook profile. 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. While these Microsoft accounts work in other Microsoft products (e.g. OneDrive, Windows, Xbox), they are non-functional when visiting Outlook.com. Outlook.com (the web version of Outlook) and Outlook apps require a 1st party alias (Outlook/Hotmail/Live/MSN) to send and receive email, use calendar, etc. Availability has recovered, and engineers are investigating the root cause and identifying problematic servers. The team is sweeping all remaining capacity to identify and address residual issues.
But the problem arises when you don’t know the correct way of doing it. Find solutions to common problems or get help from a support agent. If a Microsoft 365 application such as Word or Excel isn't working correctly, sometimes restarting it will fix the problem.
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 and contact lists in Outlook.com. At the top of the message list, you can choose how you want to view the list. There might also be a visual alert that a message is unread, has an https://office365emailfix.blogspot.com/2025/10/fix-outlook-not-sending-or-receiving.html attachment, or is flagged. To change your Mail settings so your inbox looks and behaves the way you want it to, see Personalize your new Mail experience in Outlook.com.
If Outlook is NOT able to start in safe mode, then try the next proposed solution below, entitled Create a new Outlook profile. You might need to set Windows Update to automatically download and install recommended updates. Installing any important, recommended, and optional updates can often correct problems by replacing out-of-date files and fixing vulnerabilities. To install the latest Windows and Office updates, click the link below. You have seen that we have discussed the various reasons https://office365emailfix.blogspot.com/2025/10/fix-outlook-not-sending-or-receiving.html why common Outlook errors happen. Furthermore, we will be going to describe to you the numerous Outlook Errors that are shown in MS Outlook and their fixes.
If the self-help doesn't solve your problem, scroll down to Still need help? Set up your account manually as an IMAP or POP https://office365emailfix.blogspot.com/2025/10/fix-outlook-not-sending-or-receiving.html account in Outlook. Visit Firefox support to learn how to Disable or remove Add-ons.
If prompted to allow Outlook to make changes to your computer, select Yes. When Outlook is not responding and refuses to close, it becomes necessary to use the Task Manager to close it. Follow the steps below on how to use Task Manager to force quit Outlook. I am in the middle of a conversation with an important client, I am close to sealing a sweet deal and as I am about to send the email, Outlook freezes!
MAPI does not validate that a provider's DLL that it is requested to load https://office365emailfix.blogspot.com/2025/10/fix-outlook-not-sending-or-receiving.html is registered correctly in MapiSVC.inf or even that 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 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. This occurs because custom form script is now disabled by default. Find solutions to common problems or get help from a support agent.
This issue has been mitigated and we are continuing to monitor the issue to ensure stability. The root cause was the deployment of an incorrect campaign data file, which led to false positive campaign detection. We have since reverted to the right data file and the outbound email flow has returned to a normal state.
To show or hide the Folders list, select Show or Hide the navigation pane. After you run any troubleshooter, Get Help provides details on any findings and suggestions for possible remedies. If one of these resolves your problem, close the app and continue working. Because it's so easy for users to create Office 365 Groups, you aren't inundated with requests to...