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Outlook 2010 - Check the Size of Your Mailbox

This article explains how to check the size of your email account in Outlook 2010.

Currently, all email accounts have a quota limit of 2 GB of storage on the email server. Follow the steps below to verify how much space your account is currently using when you are using Outlook 2010.

  1. From the File tab, under Info, select Cleanup Tools, then Mailbox Cleanup...
    Outlook Account Information Tab

  2. Click the View Mailbox Size... button.
    Mailbox Cleanup with View Mailbox Size Button

  3. Select the Server Data tab of the Folder Size window.
    Server Data Tab

Since 1,000,000 KB = 1 GB, the above example displaying 683,462 KB converts to .68 GB, leaving nearly 1.5 GB of storage still available.


Be sure to look at the Server tab, not the Local tab. The size of your folders listed on Local do not count towards your email storage quota, since these files are being stored on your 'local' hard drive.

Keywords:email, quota, account, xmail, exchange   Doc ID:18165
Owner:Dan K.Group:University of Chicago
Created:2011-04-17 19:00 CDTUpdated:2017-05-22 09:40 CDT
Sites:University of Chicago, University of Chicago - Sandbox
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