We can practically feel your frustration through the screen. There's about a dozen things on your to-do list, yet most of them you can't get to because your Outlook email is Fix Outlook troubleshooting hub giving you trouble. If you are having problems with Outlook, there are a few things we can help with to get you back to sending and receiving your email.

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 Fix Outlook troubleshooting hub (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.

We can say that you will likely need to reinstall your software and reconfigure the firewall settings. Often there is the option to add sites to a whitelist, and you can give more permissions to Outlook. The easiest way to find out if this is the problem is to temporarily disable your antivirus software and log in to Outlook as usual. If the prompts go away, you'll know it was the antivirus software. There are a number of reasons this issue arises, which makes it even more infuriating.

The Inbox repair tool can resolve problems by scanning your Outlook data files, and repairing errors. To use the Inbox repair tool, exit Outlook, and then follow the steps in Repair Outlook Data Files (.pst and .ost). In the first place, check whether your antivirus is up-to-date. Reliable and trusted antivirus software vendors do care about compatibility with Microsoft Office applications, so there is a good chance that the issue is fixed in their latest update. If the above does not help, turn off the antivirus and see if it brings Outlook back to life.

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.

Outlook is one of the most complex applications of the Microsoft Office suite, which makes it extremely resource-hungry. Outlook may hang simply because it does not have enough memory to run or perform a required operation. This is often the case with outdated and low capacity PCs, however even modern and powerful ones cannot feel secured against this. Well, let's "feed" it by closing all other programs that you don't need at the moment. If the "Outlook Not Responding" issue did not cause you troubles in the past, it stands to reason to turn off the recently installed add-ins.

Outlook 2016 freezes when you try to preview an Excel file that's attached to an email. 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.

This goes Fix Outlook troubleshooting hub 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. These troubleshooting techniques apply to Outlook 2016 and 2011 for Mac.

This is a lightweight app designed to handle multiple accounts and fairly moderate email use. New features like Files and attachment previews let you see your pictures and files without leaving your inbox. If you manually type in the secondary connected account email address Fix Outlook troubleshooting hub 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.

I want it to open automatically whenever I open my laptop. 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.

Your profile stores a variety of settings that control Fix Outlook troubleshooting hub 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 your issue, move on to the next step. If installing the latest updates didn't resolve your issue, move on to the next step. For example, the first time you try to Dismiss All on a list of reminders, Outlook asks you if you're sure you want to do that. If you don't choose an option on that dialog box, Outlook won't let you do anything else.