Here are the steps to add your profile picture to Office 365, which in turn will be displayed throughout the Office suite of products, such as Teams and Outlook

Step 1: Go to https://outlook.office365.com/owa/?path=/options/myaccount/action/photo

Step 2: Click on your profile icon at the top right

Step 3: Click on the circle in the center to add or modify your picture

Step 4: Click Apply

That's it!!  Be sure to only use a photo that represents how you appear at work.

Note: Please perform this process from a web browser on a computer.