Microsoft Teams and Office 365 Outlook issue

Issue: Microsoft Teams Appears First When Opening Outlook

Problem Description: When launching Microsoft Outlook, Microsoft Teams unexpectedly appears instead of Outlook. This can be frustrating for users who expect to see their email client immediately.

Resolution: To resolve this issue, follow these steps:

Reinstall Microsoft Teams:

Uninstall Microsoft Teams from your computer.

Download the latest version of Microsoft Teams from the official website.

Install Microsoft Teams again.

Delete Temporary Files:

Clear temporary files and cache related to both Microsoft Teams and Outlook.

You can do this by following these steps:

Press Windows + R to open the Run dialog.

Type %temp% and press Enter.

Delete all files and folders in the temporary folder that opens.

Repeat the same process for the following folders:

%appdata%\Microsoft\Teams

%localappdata%\Microsoft\Teams

%localappdata%\Microsoft\Outlook

Restart Your Computer:

After completing the above steps, restart your computer to ensure the changes take effect.

Tags:-

How do I stop Outlook from opening Teams?

How do I stop Outlook from defaulting to Teams meeting?

How do I stop Microsoft Teams from automatically opening?