1. Login to AppExchange.
2. Navigate to “My Installs & Subscriptions”.
3. Click “Manage Subscription” next to A5 Signature app if you want to cancel.
4. Click “End Subscription”.
BILLING PERIOD: You will have option to cancel immediately or at the end of the billing period.
UN-CANCEL: If you want to un-cancel app subscription before the billing period ends, you can un-cancel through subscription detail in AppExchange following these steps: From Profile picture, click on “My Installs & Subscriptions”, in the listing row you want to renew the subscription, click on the arrow down button and choose “Manage Subscription”. Then hit on “Renew Subscription”.”