If for some reason you want to cancel your current subscription, you can do this in few easy steps. Please remember that if you simply wish to change your payment method or change your current plan, you should instead read this helpful article:
To unsubscribe you can follow these steps:
Login to your account
Expand the menu next to your name in the bottom left corner of the screen and go to "Account Settings"
Find the "Subscription" section
Go to the "Plan" section
Click the "Cancel my Filemail account" button
NOTE: Only the Admin account has the option to unsubscribe a Business or Enterprise subscription.