Searching in Outlook is pretty easy, but why bother typing out the same searches over and over if you perform them regularly? Custom Search Folders let you save those custom searches so you can get back to them with just a click or two.
And while it’s tempting to just think of Custom Search Folders like a saved search, they’re actually cooler than that. Since they’re automatically updated, they actually work more like virtual folders—similar to the Labels feature in Gmail, except more powerful. Want a folder that shows only messages that are unread, from a certain person, and have one or more attachments? No problem.