Checking mailbox quota

Using Desktop Interface

There are to places to see your usage.

1) Bottom left provide a percentage number and graphic representing percentage use.

2) Settings icon (look at top right of page) >> Options >> Mailbox/Disk quota is indicated here. Hover over the graphic representing percentage usage to get actual numbers.

Using Tablet Interface

Mailbox/disk quota is displayed at the top of every page

Using Mobile Interface

Mailbox/Disk quota usage is not available.