Click on "Contacts" on the toolbar at the top of your screen. Search the contact you would like to tag. Click on the + sign next to "Tags&...

From your main dashboard, select “Contacts” on the top tool bar. This brings you to the main contact page (List View). To search by a specific tag, click ...

From your main dashboard, select “Contacts” on the top toolbar. Select the names you want to add or remove Tags from by clicking the check box to the left...