A damaged or corrupted Outlook user profile is a common reason for "Outlook won’t open" errors. Creating a fresh profile can provide a clean slate for Outlook to start. Outlook stores all your email messages, meetings and events, contacts, and tasks in data files. You can run the Inbox Repair Tool (scanpst.exe) to scan your Outlook data files and repair errors.

" The problem of slow browser performance affects users of Google Chrome, Mozilla Firefox, Safari, Microsoft... If you’re not using Outlook advanced features, a lighter email account tool may be an option—but consult with your IT team first. Sometimes a Windows update or app update—meant to fix things—ends up causing the problem. Especially if you’re using a different version of Windows, this can break compatibility with Microsoft Outlook or Outlook configuration files. It needs enough RAM, processing power, and hard drive space to work properly.

It will freeze while typing e-mails and looking through the inbox. The main reason why your Outlook not responding when sending email is that your data file has been corrupted. You can use the steps to repair by using ScanPST.exe (It’s the built-in Inbox Repair Tool). To start Outlook in safe mode, click on its icon holding the Ctrl key, or enter outlook.exe /safe in the Run dialog box. You'll see a message asking you to confirm that you really want to start Outlook in Safe mode, click Yes.

A virus or antivirus software issue can wreak havoc on your system, and Outlook won’t escape unscathed. If you try to delete or move a large number of messages at once, Outlook can appear to freeze, but really, it's working behind the scenes. If Outlook is performing some operation on hundreds or thousands of messages at once, it might appear to be stuck.

Should you decide to remove a profile, back up the data files first. All offline cached content will be deleted when you choose Remove. For more information, see Introduction to Outlook Data Files (.pst and .ost).

In this case, it might be easier to just create a new profile. Outlook has a bug where it repeatedly prompts you for your password, even after you've logged in. This slows down productivity and quite frankly is just a total nuisance. Just as your files can easily become corrupted, so can your Outlook how to stop Outlook freezing profile. This usually happens when you've switched versions of Outlook but your profile did not update.

If your outlook account is dmanaged, how to stop Outlook freezing then try to make new one which can seamlessly solve your issue. If this doesn’t work or you are unable to solve your issues properly, then try these troubleshooting methods. Exit Outlook, go to AppData, and manually delete cache folders. The browser version isn’t impacted by local Outlook files or add-ins.

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 Outlook is NOT able to start in safe mode, then try the next proposed solution below, entitled Create a new Outlook profile. 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. Try these troubleshooting steps in the order presented here, from simple to more complicated.

Now, select from any of the given options, including Quick Repair and Online Repair. Find the Microsoft 365 app and right-click on it to see the available options. Outlook being a great platform, still encounters some glitches and errors like Outlook 365 not working on Windows 10. This error leads to less productivity, especially if Outlook 365 is your default email client. The only way to resolve this issue is to repair Outlook 365 in Windows 10.

You can determine if it's corrupted by creating a new profile and how to stop Outlook freezing changing which profile is used when Outlook starts. Use the classic Outlook startup troubleshooter to diagnose and fix several common classic Outlook for Windows issues for you. To work around the issue, you will need to end all Office processes that are running and disable the presence features.

If it were me, I’d run either Process Explorer or Process Hacker and check the CPU levels while watching the person work for a few minutes. My guess is it’s got some kind of real time updating going on that’s hogging Outlook’s little slice of processor. Ifso facto, you can start looking for options that allow for this sort of thing and turn them off until it stops. If yes, then don’t worry, we’re here to fix it with effective solutions. Sometimes outdated or over-protective anti-virus / anti-spam programs can conflict with Outlook or with one of your Outlook add-ins. As a result, the anti-virus blocks the add-in and prevents Outlook from functioning properly.