Office 365 Web App - Check Mailbox Usage and Quota

All Office 365 Outlook Web App accounts are by assigned 50GB by default. The following tutorial shows the process of how to check your mailbox usage using the Office 365 Outlook Web App.

1. Log into Outlook Web App with your [email protected]  and IdentiKey password.
   
   
    
2. On the top right of the page, click on the Gear icon and under My App Settings, select Mail.

3. Click General to expand the section list then select My account.

4. On the bottom right hand side of the page you will see your account's usage.