How to change your billing frequency

To change your billing frequency, you can either navigate directly to the Manage Page (and then skip to step 3), or follow the instructions below to get there from your Outlook desktop client:

Click on the Open Boomerang button in the ribbon.

In the task pane, click on Manage

On the left sidebar, click on Account.

Select the desired billing frequency, and click on Update. The change will be reflected at your next renewal