A mail merge should not start with a full recipient list. Use one sample row, your own email address, a short template, and FormMerge preflight before sending any real operational batch.
Before running a Google Sheets mail merge, send one email to yourself from one row. That first test should prove four things: the recipient column is correct, merge tags resolve, the subject/body look right, and the sheet records a clear status.
Use your own email address in the sample row so a mistake cannot reach a customer or respondent.
Include one or two visible fields from the row so you can confirm personalization works.
Check line breaks, links, signature text, and whether the message reads like a real operational email.
Confirm the sheet shows whether the row was sent, skipped, or failed before you expand the batch.
FormMerge is for row-level operational email from Google Sheets. It is not a newsletter, cold email, CRM, or marketing automation platform.
Application updates, event instructions, internal reminders, case follow-ups, and row-specific notices.
Newsletter subscriptions, cold outreach, unsubscribe management, campaign analytics, and marketing segmentation.
After the first test works, send a small real batch before a large operational run.
Review Gmail sending limits and workspace policies before larger sends.
If the sample email arrived at your own inbox with the right merge fields and the sheet status stayed clear, leave a short Marketplace review or send setup feedback. Mention the one-row test instead of a large-batch claim.