You https://office365emailfix.blogspot.com/2025/10/fix-outlook-not-sending-or-receiving.html can read about it and then run the Microsoft Support and Recovery Assistant to see if that helps. It can automatically diagnose issues, troubleshoot, and fix problems with Outlook. Note that the above link is for desktop Outlook for Windows.
This automated tool should help you resolve most errors in Outlook. However, if the problem still persists, may the issue is with your PST file, which we will cover in the next solution. I’m not certain to which post you’re referring, but everything that’s been mentioned so far can be done directly by the user. No elevated permissions are required https://office365emailfix.blogspot.com/2025/10/fix-outlook-not-sending-or-receiving.html to do any of these steps.
Over the last couple of weeks it will not open normally (not even in safe mode) and I am having to do the windows repair option in settings. I have also tried the Classic Outlook Profile Set Up Troubleshooter. Trouble shooter came back as there was a problem running the trouble shooter, try looking for other solutions. When Outlook does open, it will send mail fine one minute and then the next minute it will not send any mail. The only thing is to know how to overcome them when they arise. Whether it’s defective add-ins, frozen Outlook, faulty data files, and many others, https://office365emailfix.blogspot.com/2025/10/fix-outlook-not-sending-or-receiving.html you can manage all these problems yourself.
For a complete list of articles, browse the navigation pane on the left, or use the search box above the pane to filter by keywords and find help with a specific issue. If you need to update your email’s POP or IMAP account settings, please go to POP and IMAP account settings for more information. We have multiple tools to help you automatically diagnose an issue, troubleshoot, and fix problems with Outlook. We go above and beyond the average software reseller because we built our business on trust.
If you are having issues sending email, this might be due to validation issues with your Microsoft Account. We are aware that some users may not be able to receive email from Gmail accounts. If you access your Outlook.com account through the iOS Mail app, you may be repeatedly asked to enter your username and password.
Also, if you do not know the exact reasons for the error and want to resolve them. Then, you can go for options to fix corruption accurately repair PST files and fix Microsoft Outlook issues and errors. 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. Availability has recovered, and engineers are investigating the root cause and identifying problematic servers.
Update the account information with the one you received from your email provider or from the POP and IMAP server name reference topic. 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.
Click the above link to have a quick download, then you can have Outlook errors fixed within minutes. If you do everything properly, Outlook will open when you use the new profile. This goes to prove that the problem came from your original Outlook profile. Check the solutions to fix “Outlook not opening” problem and how to avoid “Outlook won’t open” again.
Use the classic Outlook for Windows connectivity troubleshooter to troubleshoot Outlook connectivity issues. Do you have another machine you can try to duplicate the problem on, preferably with a configuration that is as https://office365emailfix.blogspot.com/2025/10/fix-outlook-not-sending-or-receiving.html close to possible to the machine that has the problem? Identifying patterns helps to diagnose what the problem might be. To update your password in Outlook, see Change or update your email password.
Most times, this is caused by a corrupted search index, which you can rebuild. Keep in mind this does take a while, and it’s usually best done after the user has left for the day. Not something you want to take on lightly, but sometimes you have to. Similar to our earlier suggestion of repairing Office (see #3 Repair Your Microsoft Office above), perform the same steps except choose to Uninstall. Be aware that you may need your product key if you received one. This library of articles provides guidance to troubleshoot and fix errors that you may experience when using https://office365emailfix.blogspot.com/2025/10/fix-outlook-not-sending-or-receiving.html Classic Outlook for Windows.
Running the /resetnavpane command removes all customizations to the navigation pane. 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. After October 14, 2025, Microsoft will no longer provide free software updates from Windows Update, technical assistance, or security fixes for Windows 10. Your PC will https://office365emailfix.blogspot.com/2025/10/fix-outlook-not-sending-or-receiving.html still work, but we recommend moving to Windows 11.