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Open Source Mail Merge add-on for Google Sheets
MergeThisEmail helps you send many emails at once. Write a draft email (using tags like {{name}}) in Gmail and put information in a Google Sheet. MergeThisEmail will show you previews and send your emails.

This add-on requests the minimum permissions to read your draft email, load information from your Google Sheet, and send emails. All of your data is handled directly within the add-on, and not by a third-party computer.

MergeThisEmail is free and open-source: you are free to use it, study its source code, and modify your own copy. The source code is available at

This add-on is designed to be easy-to-use and transparent.

MergeThisEmail can also handle images and attachments in your email. These will not appear in the preview, however.


Version: 3
Updated: May 19, 2017
Language: English (United States)