If you're a team owner, you can add someone to a team. If you're not a team owner, you can submit a request, and the team owner will accept or deny it.
This topic is about adding members who are already a part of your team's organization. If you want to add someone who's not a part of your organization, see Add guests to a team.
In this Article:
- Adding members to a team from the Desktop or Web client
- Adding members to a team from IOS
- Adding members to a team from Android
Add members to a team from the Desktop or Web client
Your team can hold up to 5000 people.
To add members to a team:
-
If you're a team owner, go to the team name in the teams list and click More options
> Add member.
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Start typing a name, distribution list, security group, or Office 365 group to add to your team. You can also add people outside your organization as guests by typing their email addresses.
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When you're done adding members, select Add. FYI, you can make someone a team owner by selecting the down arrow next to the word Member. There can be multiple owners in a team. For a deeper look at roles and permissions, see Team owner and member capabilities in Teams.
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Select Close. People you add to a team will receive an email letting them know they are now a member of your team and the team will show up in their teams list.
iOS
If you're a team owner, you can add a team member to a team. If you're not a team owner, you can submit a request, and the team owner can accept or deny it.
To add members to a team:
As a team owner, tap Teams 
and go to the team name. Tap More options > Add members. Then type the person's name.
If you want to add multiple people to an existing team, go to the desktop or web app.
FYI, any team can hold up to 5000 people.
Android
If you're a team owner, you can add a team member to a team. If you're not a team owner, you can submit a request, and the team owner can accept or deny it.
To add members to a team:
As a team owner, tap Teams and go to the team name. Tap More options 
> Manage members. Choose Add member 
and type the person's name.
If you want to add multiple people to an existing team, go to the desktop or web app.
FYI, any team can hold up to 5000 people.