Your subscription usage information can be found in a couple of different places, including in your Account Details page and in your Subscription Plan page.
Note: Clicking on your current usage amount will cause a list of your galleries and their current storage usage information to display.
Account Details
From the main menu, click on your business name or logo.
Select the Account Details menu option.
Subscription Plan
From the main menu, click on your business name or logo.
Click Subscription » Subscription Plan.
