What does "Forward and answer back" mean?

If you reply to the forwarded message (using Reply to Sender), only the
Sender will be sent a copy of it.

If you replay using Reply All, everyone to whom the Sender had forwarded the
message will be sent a copy of it (assuming the Sender didn't send via BCC).

If you Forward the message to others, everything in the message body
(including all previous TO and FROM addresses will be included in your
message but it will only be sent to those you've chosen.


B.W. wrote:
When you get a Forwarded email if you Forward and answer back, do all the
original recipients receive this or does this only happen if you use Reply
All?

TIA