In Taxi, you can see what Projects, Mailings and Versions are using an Email Design System through the Usage page in the Email Design System settings.
To access the Usage page:
- Select Email Design Systems from the menu on the left of your Taxi screen
- Select the Email Design System you want to check the usage of
- Select the Usage tab
- You will see all the Projects, Mailings and Versions listed that are using this Email Design System and you can open and edit from this page too.