Let’s say you named a folder “Random” and now you want to call it “Important Random.” No problem. Go to the label folder on the left sidebar, hover over it, click the three dots, and choose Edit. Change the name, and your filter will automatically update. Yes, the robot butler is that smart.
Filter Emails in Gmail Effortlessly with Edison Mail — Edison Mail
You can also drag and drop emails between folders manually if a filter gets stuffy. Just grab an email and drop it on a label. Gmail learns your style, like a puppy that finally stops peeing on the rug.