Join group Access to Mergo is controlled by joining the Lehigh group - https://groups.google.com/a/lehigh.edu/g/mailmerge-list?hl=en
Start Using Mergo
Create Email Draft in GMail
The first thing you can do is create your email draft in Gmail.
Please note: The Subject Title of the Draft is what will appear as the Subject Message for the recipients once you run Mail Merge
In the email draft you will need to use Merge brackets to specify the Recipient's First Name,
If you wanted to also include the Recipient's last name in the Email, then you can add
Selecting Mergo
Now that you have your Email Draft, you can open Google Sheets, and you now see the Mergo icon, on the right sidebar
After selecting Mergo icon. Select Mergo - Merge for Gmail 
Once you choose Mail Merge for Gmail. you should see the four headers appear on your Google Sheet
Email Address - This is where you put the Email Address of the recipients in this column
First Name - Place the first name only in this column
Last Name - Place the Last name only in this column
Merge Status - Leave this blank
Import a recipient list from Sheets or Excel
Want to send your email to more than a few people? List your recipients in Google Sheets or Microsoft Excel file and import it in Mergo!
For example:
Click on the more options button and select Import recipients from Sheets / Excel:
Use the file picker to select a Google Sheets or import a Excel file:
You are ready to launch your campaign! Click on Send N emails and Mergo will send your emails!
Note: Mergo will use the first row of your sheet to fill the merge fields from your Gmail draft as an example, and it will deduct one email from your quota.