This is a good question. No way to encrypt and password protect a file,
like in Word/Excel/PowerPoint. Only alternative without looking for an
add-on (not aware of any add-ons) is to use the Windows encrypting file
system (EFS) in the advanced properties of the file/folder in Windows.
It would be a great suggestion,
the normal place to go for a feature request one like this is ->
http://office.microsoft.com/search/redir.aspx?AssetID=XT011460121033&CTT=5&O
rigin=HA101996791033
Best Regards,
Aaron Rykhus, MCP, MCDST
Online Support Engineer
Microsoft Corporation
