To get started, select Microsoft Teams Chart in the Extensions category.
In the next dialog, click the Get Microsoft Teams Information button.
You'll be prompted to login to your Microsoft account.
Once you're logged in, you can click the Build Diagram button to generate a structure of your Teams instance including all your teams and their channels. Private channels and private teams will be marked with a key icon.
The resulting diagram will give you a quick overview of all the teams and channels associated with your Microsoft Teams instance.