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You know you have unread messages and unseen activity in a channel because its name appears bold. If you favorite the channel, it stays visible in your list.

You also receive notifications when someone @mentions you or replies to a conversation you're in. This also lets you know a channel is active.

Check your activity feed

If you're worried about knowing whether a conversation needs your attention, rest assured—all your notifications appear in your Activity feed, so you'll never miss a thing. To view the activity feed, click Activity in the upper left corner. 

You get a notification whenever someone:

  • @mentions you (you also see your @mentions in the conversation)

  • @mentions teams and channels you belong to

  • Replies to conversations you're part of

  • Replies to your replies

Want to learn more?

First things to know about teams and channels

Related articles

Show, hide, or pin a team or channel in Teams

Reorder the teams list

Only channels you favorite are visible from your team list. A bold channel is an active channel that has unread messages.

Channel list with bold names and number count

If a channel shows a number, that's how many times you’ve been @mentioned. For @teams mentions, you'll see this team icon Teams button in your activity feed.

You'll also receive notifications in your activity feed when someone @mentions you or replies to a conversation you're in.

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