Log into your Gmail on a browser. Click the gear icon in the upper right corner. Under Auto-Advance, toggle Enable. Go back ...

You can dive into the Gmail app's settings to change the default notification action. In the Gmail app, bring up the hamburger menu by tapping the three-dot menu button on the top-left.

If your Gmail inbox is getting a bit cluttered and you're having trouble finding unread messages, there are a few tips to make things easier.