When using Teamup on a browser, there are two menus available with different options: the calendar menu and the user menu.
Click the blue hamburger menu in the top right to open the calendar menu.
If you're a calendar administrator, you'll have access to the calendar settings through this menu.
All calendar users can access the following menu items:
Click your user avatar to open the user menu.
If you're logged into your Teamup user account, you'll see these options:
If you are not logged in (or don't have a user account), the user menu will have options to Login or Register.