The add-on comes with a vast library of label templates that are fully customizable. This makes it easy to print out labels with customized information, such as names and addresses, without the need for manual data entry. Merge Labels(Beta) is a Google Workspace™ Add-on that allows users to merge data from a Google Sheet™ into a pre-designed label template. Select from 1000+ templates compatible with Avery® labels and Mail merge. The best way to print perfectly aligned labels in Google Docs™ and Google Sheets™.