I have been using the New Outlook app for a few months now, no issues. I am able to open the older Outlook app, but cannot access the new app. I have restarted my laptop multiple times and tried to Uninstall the New Outlook but to no avail.

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.

Solutions to Troubleshoot 'Out of Memory or System Resources' ErrorCheck Resource Usage. ...Restart and Update Outlook. ...Optimize System Resources for Outlook. ...Find and Remove Faulty Add-ins from Outlook. ...Increase the Size of the Memory Heap. ...Rebuild the OST File.Apr 7, 2025

This at least allowed me to see if it was a plugin issue. You could try going into Mail (Microsoft Outlook) (32 bit) app in Control Panel and delete the Outlook profile then open Outlook and allow it to create a new one. TrustedTech delivers unbeatable customer service, with experts Fix Outlook Support in licensing and high-level technicians always on-call to answer your tech issues in-depth. The instructions given in the error will seldom actually fix this issue as the issue is more likely to be caused by the add-in itself, rather then by an Outlook installation issue.

Sometimes, when Outlook isn’t working right, a simple restart can help. When you turn your computer off and on again, Outlook and your computer may Fix Outlook Support solve many problems. As a result, it helps to clear out any issues or things that might be causing trouble, like when you clean up a messy room. So, if Outlook isn’t working well, try restarting your computer first—it might do the trick.

Find solutions to common problems or get help from Fix Outlook Support a support agent. If Outlook is NOT able to start in safe mode, then try the next proposed solution below, entitled Create a new Outlook profile. Outlook may be running with settings meant for an older Windows version. For more detailed instruction on how to enable or disable add-ins see this Quick Tip.If you you get an error that you cannot disable the add-in see this Quick Tip instead. The "Cannot open the Outlook window" error can be fixed quite easily. If you share this computer with another user, you can ask this other user to logon and ask to verify if Outlook is still working for him or her.

Customers with only a 3rd party email address set up as the username of their Microsoft Account will be asked to add a 1st party Microsoft alias to their account before accessing Outlook.com. This will cause The Turn on shared calendar improvements checkbox to be disabled for all users. The UI checkbox will be unchecked and disabled, so end users cannot turn on the improvements.

This section introduces solutions that you can use when Outlook 2016 or Outlook 2013 is not opening. If none of the above steps Fix Outlook Support 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.

When your mail profile is damaged, Outlook often fails to start as well or you’ll find yourself encountering one error after the other. Fix Outlook Support One of the first and most effective steps is to launch Outlook in Safe Mode. This mode turns off all add-ins and custom settings, helping you quickly identify if a third-party add-in is causing the startup problem. After running any of the above processes, make sure you check for updates again to verify that all updates have been installed. Did Outlook still work correctly the last time you used it?

Outlook stores all your email messages, meetings and events, contacts, and tasks in data files. These files occasionally might become corrupted. You can run the Inbox Repair Tool (scanpst.exe) to scan your Outlook data files and repair errors. 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.

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 Support (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.

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, you can manage all these problems yourself. Knowing the cause of the problem will help you sort out all the issues related to Outlook opening. Should you decide to remove a profile, back up the data files first. All offline cached content will be deleted when you choose Fix Outlook Support Remove. For more information, see Introduction to Outlook Data Files (.pst and .ost).