A group channel is a space where everyone in a group can submit and view each other’s work. Groups channels are for business users, education users, please refer to the Projects article. Take the following steps to create a channel for your group.
Go to the upper right menu and click on the groups icon (three heads).
Click the gear icon to the right of the group you wish to create a channel for.
Scroll to the bottom of the group management page and click the create new channel button.