Follow the guide below to update exchange rates to already existing currencies in oboloo.
Note: The Base Currency is the default currency your company uses within oboloo and will always appear first in all currency drop downs. This can be updated via the Company Settings page only.
You can find out more about how base currencies work in oboloo here
Only users with the appropriate access can add and manage users within oboloo. To find out more about user access rights, please check out this user guide here.