Outlook 2016 - Check the Size of Your Mailbox
This article explains how to check the size of your email account in Outlook 2016. Click the link below to learn how.
Applies to: Outlook 2016 Outlook 2013
Click this external link to learn What’s the size of my mailbox?
Note: Be sure to look at the Server Inbox, not the On My Computer Inbox. The size of your folders listed on On My Computer do not count towards your email storage quota of 50 GB, since these files are being stored on your 'local' hard drive.