How to do a mail merge in Thunderbird?
>>>>>> INSTRUCTIONS FOR PERFORMING A THUNDERBIRD MAIL MERGE <<<<<
I. Create Personalized Email CSV File:
1. Launch Microsoft Excel.
2. Enter the following information:
Cell A1 - firstname
Cell B1 - lastname
Cell C1 - email
3. Enter the first name, last name and email address for the people
that you intend to send your message to beginning in row 2.
4. After entering the information, save the file as a CSV file.
File > Save > As >