Apple Mail
How do I send an email to ALL my contacts, or ALL in my address book?
MacBook Air 13″, macOS 10.13
Apple Intelligence is now available on iPhone, iPad, and Mac!
How do I send an email to ALL my contacts, or ALL in my address book?
MacBook Air 13″, macOS 10.13
Follow these instructions: Email a group or Smart Group in Contacts on Mac - Apple Support
Follow these instructions: Email a group or Smart Group in Contacts on Mac - Apple Support
Be aware if using Apple Mail with iCloud - there are undocumented Limits on the number of e-mail address that can be used to send one e-mail even if some are cc or bcc.
Spammers are known to exist and send Millions of e-mail per day.
If the E-mail Servers " misidentifies " your e-mail as a Possible Spammer - unintended consequence can happen.
Apple Mail