Why Mail Merge Requests Permissions to your Google Account

The Mail Merge add-on requires you to grant permissions to several services associated with your Google Account. It uses the simple and secure OAuth 2 protocol to get data from the user’s Google account.

If you ever wondered why Mail Merge requires all these permissions, this annotated screenshot of the consent screen should answer it all. Here’s a list of the various authorization scopes that the add-on requires access to and you can hover your mouse over the image to know why Mail Merge requests access to that particular service.

Mail Merge Permissions Explained