You can add or change your profile photo in Microsoft 365 from Microsoft365.com, or while using Microsoft 365 applications on your computer or in a browser on your phone. Your photo will appear everywhere there's a profile photo circle in Microsoft 365.
To add your profile photo to Microsoft 365 for business
Find a photo you want to use and store it on your computer, OneDrive, or other location you can get to. The photo needs to be smaller than 4 MB and can be a .png, jpg, or .gif file.
Sign in to Microsoft 365 with your work or school account at Microsoft365.com.
Select the circle in the upper right hand corner of the page that shows your initials or an icon of a person.
In the My accounts pane, select the circle that shows your initials or an icon of a person. Change your photo in the pop-up that appears.
Note: If you or your IT administrator have already added a profile photo, it will appear in the circle. You can keep that photo, or follow the instructions to change it.
Admins: How to add photos on behalf of users
If you're a Microsoft 365 admin, you can use the Microsoft 365 admin center or Microsoft Graph PowerShell to add photos on behalf of users. For instructions, see Change user profile photos.