Navigate to the Team: Locate the Team you own and want to manage.
Access Team Settings: Click the three dots (More options) next to the Team name and select "Manage team."
Go to Settings Tab: On the top of the window, select the "Settings" tab.
Go to Guest Permissions: In the Settings window, select the "Guest permissions" tab.
Configure Guest Permissions: You'll find several options to control what guests can do within your Team:
Allow guest to create and update channels: This setting allows guests to create new channels within the Team and modify existing ones. Caution: Enabling this gives guests significant control over the Team's structure. Consider carefully before enabling.
Allow guests to delete channels: This setting allows guests to delete channels they have created. Caution: This can lead to unintended data loss. Exercise caution when enabling
Save Changes: After configuring the desired guest permissions, click "Save" at the bottom of the page to apply your changes.