When you access a “Microsoft Teams Team” as a “guest” you;re actually using your login to authenticate yourself but then accessing a Team on their tenant. If you need the tenant ID of the “Guest Team” this is how to get it. When signed into the guest team, click the three dots of one of the teams and click “Get link to team” Click “copy” to copy this link, and paste the link into a text app like...
How to get your Office 365 Tenant Name and Tenant ID
Office 365 tenants have a tenant name and alphanumeric tenant ID, often when people ask for the tenant ID, they may just want the tenant name, but either way, here is how to find both: Tenant Name Your tenant name is the name specified when you sign up in the format: company.onmicrosoft.com, you can usually find it in your company profile Or domain Options: To find it with PowerShell, first...