问Office软件都包括哪些？它们的后缀分别是？

仅拿Office2003来讲
Word其后后缀一般为.doc,当然还有其它的,可以在Word另存为里看到,下同...
Excel .xls
PowerPoint .ppt
Outlook .dbx
Access .mdb等等,后面也不常用,就不再列举了
Publisher
FrontPage
OneNote
InfoPath
Visio Standard
Visio Professional
Project Standard
Project Professional
Project Server
SharePoint Portal
Real-Time Communications Server