Setup

Install YAMM on your Google account and launch it from Google Sheets.

Install YAMM

Install YAMM on an individual Google account, or deploy it across a whole Google Workspace domain or organizational unit as an admin.

Launch YAMM

Launch the YAMM add-on from the Extensions menu of a spreadsheet that lists your recipients.

Sign in to YAMM with the right Google account, check which account YAMM is using, and create a browser profile per Google account to switch between them.

Revoke YAMM permissions

Revoke YAMM's access to your Google account. This does not uninstall the add-on.

Uninstall

Remove YAMM from your own Google account, or uninstall it across a whole Google Workspace domain from the Admin console.