Outlook Web App - Check Mailbox Usage and Quota

Last Updated: 08/16/2017
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This tutorial is operating system independent.

Overview

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.

Step 1

Log into Outlook Web App with your CULoginName@colorado.edu  and IdentiKey password.

Step 2

On the top right of the page, click on the Gear icon and under My App Settings, select Mail.

Step 3

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

Step 4

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

Step 5

If you need to send large files electronically and are concerned about exceeding the Exchange Online message or account size limit, OIT recommends the following: 

  • Large File Transfer: All faculty and staff are able to send files us to 20GB using OIT's Large File Transfer service.
  • Google Drive: All campus affiliates have access to up to 30GB of total storage in G Suite with their CU Boulder account. Learn how to share files using Google Drive.