Once YAMM is installed on your account, you can start using YAMM.

1. Once the installation is done, you can close the confirmation pop-up and click Done.
   
2. Create a new spreadsheet to start using YAMM.
3. To launch YAMM, select Extensions > Yet Another Mail Merge: Mail Merge for Gmail > Start Mail Merge.
   
   If your spreadsheet is empty, YAMM asks you to add recipients to your spreadsheet to start your mail merge.
   

What's next

Prepare a contacts list in a Google sheet