In my example, I wanted to find out GUID for a special team in CRM. So I navigated via Settings – Security to Teams:

As I clicked on ‘Team’, I got the following result:

I searched for my Team which is called ’54 – Corporate Finance’:

I clicked on the business unit (the first blue name ’54 – Corporate Finance’) and another window opened:

Now, you got two possibilities.

1. Press ‘F11’ to get URL on top of the page. There you will see something like this: Please note, that you only need the inner part of this string (without ‘%7b’ and ‘%7d’).
2. Open the console window by pressing ‘F12’ and type in: ‘window.location.href’: