How do I change my billing option for monthly to annual

Hey Sal, 

Welcome to the Box Community!

It looks like one of Box billing associates have already addressed this question with you.

For future reference, if you are looking to change your plan or billing options, you can directly submit a ticket with our billing team from this page and an associate will reach out to you to help with your request or concern: https://support.box.com/hc/en-us/requests/new 

Thanks for your post and participation in the forum!