If you have old emails from years ago still sitting in your inbox then now is the time to clear them out, and there's a quick way to do it.

Click “Search.” Gmail will display all emails older than your chosen date. Select All → Delete. You’ll see a checkbox above your emails. Click it, then choose “Select all conversations that match this ...

CNET has the full steps over at its site, but in Gmail you can use the "Forwarding POP/IMAP" tab to forward all your emails and have them automatically deleted from your original account. From there, ...