Definition - What does Forward (FW) mean?
Forward (FW) is an email client option that allows a sender to forward a received email to another recipient. A forwarded message may be denoted by an "FW" before the subject line of the email.
Also known as email forwarding.
Techopedia explains Forward (FW)
Server-based forwarding may include multiple options such as changing header information and selecting from multiple categories of recipients.
Automated message forwarding enables efficient follow-up messaging among or between supervisors, team members and customers.