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How do I create a team in Microsoft Teams?
Adding a guest to a team in Microsoft Teams
When you Show a channel, it stays visible in your teams list. If you follow a channel, you receive direct notifications whenever there's new channel activity.
Show a channel
From within the channel, click Show 
next to the channel name. You can also Show channels from the more channels menu beneath the channels list
Note: To help get you up and running, Teams automatically Shows the five most popular channels in every new team you join.
Follow a channel
To follow a channel, go to the channel name and click More options 
> Follow this channel.
You can catch up on all your followed channels in your Activity feed. Click Activity 
> Filter 
> Following.
Additional resources to help you make the most of Office 365
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