.   How do I upgrade my account from Monthly to Yearly ? I have to upgrade to a higher storage plan. Do I just pay the difference for this month? Where can I get more information on IBackup Subscription?            How do I upgrade my account from Monthly to Yearly ?   Login to your account,select ‘My IBackup’ section,click on ‘Subscribe to ibackup or purchase additional space’.In the ‘purchase’ options,choose ‘Yearly’ charges.      I have to upgrade to a higher storage plan. Do I just pay the difference for  this  month?   Charges of new plan will be taken at pro-rated basis and you will be charged only the difference between the newer charges and the previous payment on a pro-rated basis.      Where can I get more information on IBackup Subscription?   To learn more about IBackup Subscription and our Subscription Plans, follow this link: IBackup Subscription: FAQ