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Opened Jan 18, 2026 by Andrew Larocque@andrewlarocque
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Troubleshoot Outlook for Windows issues

Add an Outlook.com alias to your account and send email to Gmail users using that alias. For more information, go to Add or remove an email alias in Outlook.com. If you can't choose any of the menu options, type inside an email message, calendar event, or contact, Outlook may have frozen.

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. Installing any important, recommended, and optional updates can often correct problems by replacing out-of-date files and fixing vulnerabilities. To install the latest Windows and Office updates, click the link below. Use the classic Outlook connectivity troubleshooter to resolve intermittent connectivity issues.

Get Help has troubleshooters for classic Outlook for Windows you can run for many common scenarios, such as Outlook startup or profile setup problems. When you're working with HubSpot Support to troubleshoot the desktop add-in, you may be asked to provide debug logs. When you have the extension installed in Outlook, it will store information in report logs on your computer. These logs are saved each day the extension is used, and your file names refer to the usage date. If your extension isn't functioning as expected, these logs help the support team take a deeper look into what's happening with the add-in on your computer.

To manage your mailbox by using the AutoArchive feature, see AutoArchive settings explained. Upgrade to Microsoft Edge to take advantage of the latest features, security updates, and technical support. It’s also crucial to ensure that the version of Outlook you’re using is compatible with your Windows operating system version. Follow this procedure to use the process of elimination to identify the problem in Windows 10, Windows 8, Windows 7, or Windows Vista. We recommend that you move several items in your larger folders to separate folders, or that you archive those items by using the AutoArchive feature. If Outlook is in use by another process, this information is displayed in the status bar at the bottom of the screen.

This slows down productivity and quite frankly is just a total nuisance. In typical Microsoft fashion, there are also additional rules for certain older platforms that will make you feel very confused about 2FA. We'd be remiss to not tell you there are certain accounts (like Xbox 360) that always require 2FA as well as a special app password. The Authenticator app is designed to help you quickly and safely confirm your identity. With the app, an online intruder would be stuck on the first step of verification, because the Authenticator app is awaiting a one-time passcode, your fingerprint, another password, etc.

This usually happens when you've switched versions of Outlook but your profile did not update. You can still create a new email address with @hotmail.com as the domain name. Then you are dealing with one of the many other Outlook issues. Here is a preview of common problems and what solutions we offer. If you would like a deeper explanation or step-by-step instructions, scroll down to the section covering your issue for more details. As an email client ourselves, we have a clear idea of what a desktop app can do to give you a Fix Outlook Support healthy relationship with email.

Make sure you close Outlook before you start Recovery Toolbox for Outlook. Try to download the newer version of our software and install it. Our software can recover data only from an existing file. You can try to restore your file with some unerasing software and then recover it with Recovery Toolbox for Outlook.

Bug fixes, new features, and performance enhancements are released regularly. Sometimes, a weak or unstable internet connection can cause Outlook to misbehave. To check if this is the issue, temporarily disconnect from your Wi-Fi or unplug your LAN cable, and then try opening Outlook again. If you receive a connectivity error, your network might be to blame.

If you used the workaround below you can now switch from using an Outlook.com alias to your country's domain. It's a by-product of Fix Outlook Support making more space on your PC, you delete things you don't think you need anymore. Then, one day you realize getting rid of that file was a huge mistake.

3 answersClose Outlook.Press Windows + R to open the Run dialog box.Type Outlook.exe /safe and press Enter.If Outlook starts in Safe Mode, try disabling add-ins by going to File >Options >Add-ins, then disable all add-ins and restart Outlook normally.Aug 29, 2024

Learn how to check the version of Outlook you are using and update your Fix Outlook Support. This is intended as a general guide to some common errors and I may not be able to troubleshoot through this. Upgrade to Microsoft Edge to take advantage of the latest features, security updates, and technical support.

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Reference: andrewlarocque/7344outlook-not-opening-on-windows-10#4