This menu selection will display one of MS Outlook tools named Mailbox Cleanup. Start Mailbox Cleanup tool from Microsoft Outlook menu options Using top menu follow Outlook menu options open Tools menu. Here is a method to check overall size of all Outlook folders (or to calculate the sum of all Outlook items). Please refer to How to Compact Outlook PST file guide for step by step guide.

If Microsoft Outlook folder sizes are very big, I suggest users to compact Outlook files using Compact tool in Outlook. Here how you can find folder sizes of Outlook on a Microsoft Office Outlook 2007 installation. If you are using Microsoft Outlook as your email software and create folders in Inbox and in your Outlook Personal Folders to organize your communication with others, you will soon face the problem to check folder sizes of your email folders.Įspecially on enterprise companies where limited storage sizes are defined for Microsoft Outlook requirements, after sometime Office Outlook users will need to delete older email or archive them to open space for future use of MS Outlook.īut before creating space by deleting old email or archiving them, generally all Outlook users will want to see how much space does Microsoft Outlook emails occupy on the disk.Īctually Outlook provides tools like view mailbox size Outlook tool to calculate folder size automatically. How can I check Outlook folder size is a common question among Microsoft Office Outlook users in companies using Outlook as mail client.

Outlook personal folders open minimized