University of Connecticut

University Information Technolgy Services

Microsoft Exchange

Find Mailbox Size: Outlook 2003/Outlook 2007

This is useful for determining how much space is being used by your mailbox. The typical maximum sizes are 25MB for students and 50MB for Staff, Faculty, or Grad-Students.

1. Open Outlook.
2. Right-click on Mailbox.



3. Click on Properties for Mailbox from the list of options.
4. Click on Folder Size.



5. A new window will pop-up listing the folders in your mailbox and 2 sizes, the important one is Total Size. Total size tells you how much space each folder in your mailbox is using.

• Typical folders that will be very large are Deleted Items, Inbox, and Sent Items.
• You will want to delete any messages that you no longer need.
• Any messages that you do not want to delete you should move to a Personal Folder to archive it.

Updated: 9/18/2006