> yes

Which means "yes, you're right -- don't use "gdb" as an extension."

I currently use .FB, .FDB or simply .DAT

Works fine in all cases.

>
> So I shouldn't use the .gdb extension at all??

With regards,

Martijn Tonies
Database Workbench - developer tool for InterBase, Firebird, MySQL & MS SQL
Server.
Upscene Productions
http://www.upscene.com