How to View Folder sizes in Email
Outlook 2013 (Windows)
Click File > Cleanup tools > Mailbox Cleanup > View Mailbox Size (click on the Server Tab to see the
folder sizes that are using up quota)
Outlook 2011 (Mac)
Outlook, Preferences, General
Uncheck Hide On My Computer Folders, close window
CTRL-Click on Kutztown (or name of account) > Folder Properties > Storage
MacMail
CTRL-Click on Inbox folder > Get Account Info