Mailbox Quotas
Your email quota is 50GB.
49GB - You will receive a daily warning that you are approaching your limit
49.5GB - You will be unable to send any email
50GB - You will be unable to receive any email
To find out how much of your quota that you are using:
In OWA, select the cog icon (at the top right of the window)
Select Options
An example of the quota information is show below:
