Label a message you're writing On your computer, go to Gmail. Click Compose. In the bottom right, click More . Note: If you're using classic Gmail, click More options . Click Label, then select labels you want to add. Click Apply.How do labels work in Gmail?
Go to your Gmail settings. Click the settings icon and select “settings” from the drop-down menu. Once in your Gmail settings, select the “labels” tab. Scroll down and click the “create new label” button. Once your label has been created, go to the “filters and blocked addresses” tab.