Microsoft Outlook users can find the mailbox size using the option available as part of Mailbox Cleanup. If your organization has set quota for Outlook mailbox then you need to make sure you do not exceed the limit. You can do this by periodically checking the mailbox size and do the necessary clean up activity if the mailbox size is about to exceed.
3 simple steps to manage mailbox size
- Monitor Mailbox size regularly using View Mailbox size feature.
- Use Auto Archive option to archive old mails to a .PST files.
- Empty Deleted item folder.
These steps has to be followed either weekly or monthly or quarterly depending upon number of and size of the emails received. List below are steps to find out mailbox size in Outlook 2013, Outlook 2010 and Outlook 2007
Finding mailbox size in Outlook 2016, 2013, 2010 and 2007
Outlook 2016 and 2013
Step 1: Click the File menu and select Info from the menu list.
Step 2: Click the Cleanup Tools option under Mailbox Cleanup section in Account Information screen.
Step 3: Select Mailbox Cleanup from the Cleanup Tools dropdown list.
Step 4: In the Mailbox Cleanup window, click the View Mailbox Size option. This would display the following Folder Size window, with the Total Size including the Size of subfolders.
Outlook 2010
Outlook 2010 users need to follow the above Step 1 and Step 2. Only the mailbox cleanup window in Outlook 2010 is different from that of Outlook 2013.
Clicking on View Mailbox Size button will display the Folder size of your Outlook Mailbox.
Demo Video – How to find mailbox size in Outlook 2010
Outlook 2007
Mailbox Cleanup in Outlook 2007 can be accessed via the Tools menu.
This provides various option such as View Mailbox Size, finding items based on date and size, Auto Archive option, Empty Deleted Item and View Conflicts Size
Also See: How to change the send and receive emails settings in Outlook
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Great tip, this change with Outlook 2010, I don’t know why they hid it in cleanup – thanks for the tip.
I would like a button in the Quick Access toolbar as I need to clean out my various folders a couple of times each month when I exceed my allowed mail box size. This was right at the bottom of the Folder List in Outlook 2003, and it should be just as handy in 2010. It is my own bad habits that get me into this trouble, but I doubt that I will change anytime soon.