You can search Gmail easily using the search bar found at the top of both the mobile app and desktop site.

Archiving a message moves it out of your main inbox, but keeps it accessible for later use. Here's what you need to know about Gmail archived emails.

Unblocking someone on Gmail is simple. On a PC, go to Gmail’s Filter and Blocked Addresses settings to see a list of blocked emails, where you can unblock one or more addresses. In the Gmail app, ...

From the cog icon in the upper right side of Gmail's dashboard, click 'See All Settings.' Select Filters and Blocked ...