To enable guest access in Microsoft Teams, first turn on guest access in Teams by going to the Teams admin center, navigating to Teams > Guest access, toggling Allow guests to access Teams to On, and clicking Save. Next, enable guest access in Microsoft 365 Groups via the Microsoft 365 admin center under Settings > Org settings > Guest access, ensuring options like Let guests access SharePoint and OneDrive, Let guests create and own teams and groups, and Let guests join Microsoft 365 groups are toggled on. Then, add guests to a specific team through the Teams admin center by selecting the team, going to the Members tab, choosing Add guests, and entering their email address. Lastly, consider licensing and permissions, noting that guests don’t require full licenses but may need collaboration-only licenses with appropriate access controls to align with organizational governance strategies.

To enable guest access in the Microsoft Teams admin center, you need to toggle a few settings that control external collaboration. It’s not complicated, but it does require attention to detail—especially if your organization has security concerns or compliance requirements.

Turn on Guest Access in Teams

The first step is enabling guest access at the Teams level. This setting controls whether external users can be added to your Teams environment at all.

• Go to the Microsoft Teams admin center.
• In the left navigation, go to Teams > Guest access.
• Toggle Allow guests to access Teams to On.
• Click Save.

Once this is enabled, external users (guests) can be added to teams and chats, but they still won’t have access until you configure the next layer: Microsoft 365 group settings.

Enable Guest Access in Microsoft 365 Groups

Since Teams relies heavily on Microsoft 365 groups, you also need to make sure guest access is allowed at the group level.

• Go to the Microsoft 365 admin center.
• Navigate to Settings > Org settings > Guest access.
• Make sure Let guests access SharePoint and OneDrive and Let guests create and own teams and groups are both toggled on, depending on your needs.
• Also check that Let guests join Microsoft 365 groups is enabled.

These settings determine how deeply guests can interact with your organization’s content, so choose carefully based on your team’s collaboration needs and security policies.

Add Guests to a Team

Now that the global settings are enabled, you can start adding guests to specific teams.

• In the Teams admin center, go to Teams > Manage teams.
• Select the team you want to add a guest to.
• Under the Members tab, click Add members, then select Add guests.
• Enter the email address of the guest user and assign them a role if needed (default is member).

Guest users will receive an invitation and will be able to access the team once accepted. They’ll show up in the member list with a “Guest” label.

Consider Licensing and Permissions

Guests don’t need a full license to participate in Teams, but some features might be limited depending on your setup.

• Most organizations use collaboration-only licenses for external users.
• If you have specific apps or channels that require advanced functionality, double-check permissions.
• You may also want to restrict which roles can add guests to avoid uncontrolled external access.

Guest access works best when permissions are clearly defined and aligned with your organization’s overall governance strategy.

That's basically all it takes to set up guest access in Teams through the admin center. It’s straightforward once you know where each setting lives, but easy to miss a step if you’re new to the interface.

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