Before you start
Things you need to know:
You don’t need any additional permissions to add or change your profile picture.
Add or change your Chat profile picture
To add or change your chat profile picture:
Expand the User menu, then select Your profile.
From the side-panel, select Edit details.
For Profile picture, select CHOOSE FILE.
Supported image types: PNG, JPG, and GIF.
Max file size: 5mb.
Min image dimensions: 200px x 200px
Choose the picture you want as your profile picture.