There are several ways to personalize and enhance the Google Apps you use everyday. Extensions, Add-ons, and Labs are intended to provide extra features users can access to enhance their browser or Google App. Please keep in mind that extensions, add-ons and labs are not supported or covered by the Core Services agreement with Google.
Why should I use them?Extensions and add-ons can enhance a webpage with relevant links and other useful information. Extensions can also add or change functionality, provide extra features for the browser, and change the look and feel.
tools built by third party developers using Google Apps Scripts to add additional functionality to Google Docs and Sheets. You can install Add-ons right from Google Docs or Sheets and then choose to enable the add-on in only that doc or sheet, all docs and sheets, or none.
Why should I use them?Add-ons provide more functionality to Google Docs and Sheets. Examples of helpful add-ons could include Track Changes, mail-merge, and writing aid options.
Why should I use them?
Labs offer the ability to personalize your Google App experience with several optional enhancements. As these Labs are Google-Delivered, there is no security issue. Users should be aware that Labs are features being tested and may at any time disappear.