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The first time you open this tab, it might take a little while for the data to populate. If you want to see the size of the folders on the mail server, click the “Server Data” tab. If you’ve got several years of appointments and meetings requests, you could easily have a decent chunk of kilobytes in the calendar which you can clean up by deleting old events. The best part of this view is that it shows you folders you might not normally consider, like the calendar. The columns show the folder’s name, size, and total size (which is the size including any sub-folders).
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RELATED: Where Are My Outlook PST Data Files, and How Can I Move Them Somewhere Else? Local data is the data that is stored on your computer in your. By default, it opens up in the Local Data tab.
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This opens up the Folder Size window, which shows you the size of each folder. Your Outlook mailbox is made up of folders-Inbox, Sent Items, Archive, and so on-and knowing the size of the folders helps you see where all your emails are.
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