Why is the 'Start conversation from section' missing in iMessage on my iPhone?
Start conversation from section isn’t showing on my iMessage what do I do
[Re-Titled by Moderator]
iPhone XR, iOS 18
Question marked as
Check that you have more than one phone numbers or emails enabled to receive iMessage messages (in the "You can receive iMessages to and Reply From” section), and the option will appear.
See Add or remove your phone number in Messages or FaceTime - Apple Support