Only if you have to workbook linked to an IRM (Information Rights
Management) server, probably more trouble than it's worth.


--
Cordially,
Chip Pearson
Microsoft MVP - Excel
Pearson Software Consulting
www.cpearson.com
(email on the web site)




"Brett" wrote in message
...
Once (Any) Office document has be emailed and opened can you prevent it
from
being forwarded to others?

Thanking you in advance

Brett