To switch between different Descript accounts with separate email addresses, log out of the app and sign back in with the desired email account.
From the Drive View
Click the account profile button at the top-right and select Logout.
From a Project
Click the menu in the top-left corner and select Logout.
Do you have access to multiple drives?
If you bought additional drives or have access to a team drive, you can click here to learn how to switch between drives.