1. Sign into Outlook on the web at https://outlook.office.com

  2. At the top of the page, select your profile picture (1) and then click on the existing photo or your initials (2).
  3. You will then receive a popup that allows you to change your photo.
  4. Select Upload a new photo.
  5. Select Browse and choose the picture you want to use.
  6. Drag or resize the image box, and select Save.