Find solutions to common problems or get help from a support agent. If you are having problems with Outlook, there are a few things we can help with to get you back https://office365emailfix.blogspot.com/2025/10/fix-outlook-not-sending-or-receiving.html to sending and receiving your email. For additional support, see How to get support for 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. Despite the various avenues mentioned, the problem is identified only on RDS 2016 https://office365emailfix.blogspot.com/2025/10/fix-outlook-not-sending-or-receiving.html (5 servers) with Office 2016. Curiously, there are no issues with PCs running Windows 10 or 11 and Outlook 2016, all within the AD. I initially had a script to remove the entire Outlook folder if date created was before the date of implementation. I’ve modified this to remove the above autodiscover records on user login as a temp workaround.

I couldn’t find https://office365emailfix.blogspot.com/2025/10/fix-outlook-not-sending-or-receiving.html anything in the Event Viewer that points to the root cause, nor could I find any similar issues online. However, if you encountered other issues like Outlook not responding, learn how to fix Outlook not responding here. Once you have made these changes in your PST file, Outlook should open without encountering any more problems. 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.

If you want to learn about printing, see Print attachments received in https://office365emailfix.blogspot.com/2025/10/fix-outlook-not-sending-or-receiving.html email messages. After you’ve selected a task, you can use the details pane to do things like add more information, add steps, or mark as important. You can view more than one calendar at a time, add other calendars, choose which calendar to display, and create new calendars.

I’ve since installed a Windows 2016 server with Office 2024 and I don’t have any more connection problems for the moment. Since making this change, I’m not seeing the errors in Microsoft-Windows-AAD/Operational, however it may be too early too tell. Hello all,Same problem here since Outlook 2016 update on January on RDS 2022, all users are not concerned, but we have more and more users impacted. The cache file is likely corrupt or where it is stored is full.

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. You might need to set Windows Update to automatically download and install recommended updates.

If it’s an RDS server and the cache is also on the server, if the server crashes, reboots abruptly, is full, there are many reasons. Instead of removing the profile, remove the OST file and let it recreate. Compatibility mode is suitable for older software with Windows 10 that fail to run normally.

This section introduces solutions that you can use when Outlook 2016 or Outlook 2013 is not opening. If none of the above steps https://office365emailfix.blogspot.com/2025/10/fix-outlook-not-sending-or-receiving.html work, the issue may be more complex or related to server-side problems that only Microsoft can resolve. Try these troubleshooting steps in the order presented here, from simple to more complicated.

Newer Windows updates and builds like Windows 10/11 provide better compatibility with Outlook 2019 and Outlook 365. If your Outlook keeps freezing, despite all your effort, it’s time to bring in the professionals. If your internet is slow or spotty, Outlook might struggle to sync data.

When this registry key is set, Outlook will use its own built-in search engine. The built-in search will display the message below to indicate it is not using the Windows Search service. The issues documented in this section have been reported after installing the recent updates listed below.

When PST files are beyond the repair scope of the Inbox Repair Tool (ScanPST.exe), third-party PST recovery tools can be a lifesaver. These programs are specifically designed to handle more complex data corruptions. They use advanced scanning and recovery algorithms to parse severely damaged files, reconstruct them, and recover their contents. Restarting your device clears temporary files and can fix minor software conflicts. If the above solutions are not working up to the mark, it simply indicates the corruption in your Outlook PST files.

Originally, the freezing would only occur when I actually tried to do something. So, if I tried to open a message, search my inbox, write a new email, go to the calendar, etc., it would freeze up for about 5-10 seconds at a time. Then would work as normal before freezing up again. The freezing never seemed to occur when I had Outlook open but https://office365emailfix.blogspot.com/2025/10/fix-outlook-not-sending-or-receiving.html was not using it.

If you can’t choose any of the menu options, type inside an email message, calendar event, or contact, Outlook may have frozen. There are three steps you can take to try to get Outlook working again. However, if you encountered other issues like Outlook not responding, learn how to fix Outlook not responding here. Click the above link to have a quick download, then you can have Outlook errors fixed within minutes. Check the solutions to fix “Outlook not opening” problem and how to avoid “outlook keeps crashing fix (https://office365emailfix.blogspot.com/2025/10/fix-outlook-not-sending-or-receiving.html) won’t open” again. Here are some common fixes that should work when Outlook doesn’t open, whether you’re using Windows or a Mac.