Troubleshooting Tips for Microsoft Outlook Not Opening on Windows 10 and 11

From Microsoft, Outlook is an excellent email client with many features, power, and reliability. There are times, however, when Outlook may not be able to open or load. This can be frustrating and confusing.

Our guide will show you some easy and more advanced solutions on How To Fix Microsoft Outlook that won’t open in Windows 10. With these solutions, you can quickly get Outlook up and running again.

Fix Microsoft Outlook Won’t Open in Windows 10/11

Whatever the cause of your device’s inability to open Outlook, there are simple and advanced ways to fix Outlook problems. Open Outlook again after completing each step mentioned in the methods below.

Disable Add-ins | Outlook Opening in Safe Mode

To resolve conflicts caused by installed add-ins, try opening Outlook in Safe Mode.

Open the RUN by pressing Windows Key + R.
Type outlook/safe and press Enter.
Select Outlook in the profile wizard and click Finish.
Go to File > Options > Add-ins.
Click Go and disable all suspicious add-ins. Click OK.
Close and restart Outlook to check if the issue is resolved.

Update Outlook App

Ensure that Outlook is up to date to prevent glitches. Check for updates as follows:

Navigate to File > Office Account.
Select Update Options > Enable updates.
To manually check for updates, go to File > Office Account > Update Options > Update Now.
For Mac, go to Help > Check for updates, and select Update.

Look for Dialog Boxes

Ensure there are no hidden dialog boxes requiring attention, as these can cause Outlook to freeze. Use Alt + Tab to cycle through open applications.

Configure Outlook Mail Server

Verify that your mail server settings have not changed:

Select File > Account Settings.
Select your email address and click Change.

Using Manual Repair Methods for Office Programs

To repair your Office program:

Shut down all Office applications and open Control Panel.
Select Programs and Features, find Microsoft Office, right-click, and choose Repair.
Choose either online or offline repair based on convenience.

Make a New Profile

If the Outlook profile is corrupted, create a new one:

Select Start, then Control Panel, and choose Mail.
Click on Show profiles, then Add to create a new profile.
Enter a name and complete the setup using the Add Account Wizard.
Make the new profile default by selecting Prompt for a profile.

Turn off Compatibility Mode

Disabling compatibility mode may resolve potential launch issues:

Right-click the Outlook icon, go to Properties.
Under the Compatibility tab, uncheck “Run this program in compatibility mode.”
Click Apply and restart Outlook.

Final Words

This was all about How To Fix Microsoft Outlook won’t open in Windows 10/Windows 11. Your problem will most probably be solved if you follow the methods mentioned above. Try all of them and check which one works for you.