InfinityOne - Favorites

To favorite a channel, click on the star icon in the upper left corner of the message area (next to the room name).

The star is then highlighted. To unfavorite a channel, just click on the star icon again.

Highlighted channels are listed under Favorites on the left-hand panel. 

All room types, including public channels, private groups, direct messages, and n-way conversations can be added to your Favorites List.