How to Make Address Labels in Google Docs - TechWiser Google Docs Label Add-on. You can open/create a new Google Docs document by typing docs.new in the address bar in the browser. Click on Get add-ons under Add-ons tab to open a new pop-up window. Use the search bar to find and install the Avery Label Merge add-on. This add-on needs access to your Google Drive in order to fetch the data from the spreadsheet.