Using the Mobile App

First to download the app please search for the "Teams" app through the app store or Play Store depending on your device. 

When you first open the Teams mobile app, you are presented with a sign-in screen where you can choose to sign in to Teams, as shown. Tap the Sign In button and then enter your Office 365 credentials.

Once signed in you will be presented with options along the bottom of your screen (note the experience is similar across all platforms). From here you can navigate to the section you want such as "Chat", "Teams" and "Calls" as shown below.

A brief description of each is provided below.

Activity - this is where a feed of recent calls and conversations can be found.

Chat - Here is where you can find all your chats you've had with others but also where you can start a chat yourself.

Teams - On the Teams tab here is all the "teams" you are a member of and you can search for teams also

Calls - Here you can see all the calls that you've made or have received. Also here at the bottom right there is a button that you can use to make a call shown below. On the calls tab it is possible to see voicemails left and also search your devices contacts to add to your team’s contacts.

Here is the button you can press to get to your "Dial pad" & "People" tabs.

Calendar - Calendar is the final tab where you can access your accounts calendar and add events to it.

*Hint* If you need more options, you can simply click the "More" tab and find other useful features of the team app.