Setting your status is a helpful way to let other staff know whether you're available to chat or meet, and can help manage notifications

Status options

Available is when you’re active in Teams and don’t have anything in your calendar (no meetings or calls, for example).

Note that Teams will automatically set your status from Available to Away when you lock your computer or when it enters idle or sleep mode. On mobile, this will happen when the Teams app is in the background.
Busy is when you want to focus on something, and you do want notifications to pop up.

If you’re in a meeting or call, Teams will automatically change your status to In a meeting or In a call (Busy) when not set to Do not disturb.
Do not disturb is when you want to focus or present your screen and don’t want notifications to pop up.

When sharing your screen in a Teams meeting, you'll be set to Do not disturb automatically
Be right back is when you want to say you’re temporarily away. It’s never set automatically.
Appear away is when you need to work without responding right away.
Appear offline is when you want to indicate that you're not signed in to Teams, so will not be responding until you're back online. You'll still receive notifications if anyone messages you.

You may see other status values, but those are set automatically based on what you're doing or whether you have an out of office message enabled. For a full list, see: https://docs.microsoft.com/en-us/MicrosoftTeams/presence-admins

Set your status in the Teams app

Open the Teams app and click your profile icon in the upper right corner
From the dropdown menu that appears, click the status name next to your profile icon
Click the status you'd like to set. It will be applied immediately.