Change your theme

1. Select the ellipsis (...) next to your initials or profile picture at the top of the app.

2. Select   Settings and then choose  Appearance and accessibility.

3. Under Theme, choose one of the following:

   • Follow operating system theme, applies system theme.

   • Light, displays dark text on a light background. 

   • Dark, displays light text on a dark background.

   • High contrast, displays mostly white text on a black background, with bright color accents. 

To exit Settings, select Chat, Calendar, or another option in the left nav bar.