OneNote is an organizer that replaces Outlook from the previous Student and Teacher (S&T) edition. Home and Student is expected to sell for US$149, though its S&T predecessor recently sold for under $100. Users cannot upgrade to H&S from S&T.

The Standard version, which costs $399 -- $239 for an upgrade -- includes Word, Excel, PowerPoint and Outlook and may be the version most standalone, individual home users will purchase. A Small Business edition -- full price, $449, upgrade price $279) includes Word, Excel, PowerPoint and Publisher, as well as Outlook with Business Contact Manager.

Office Professional, which sells for $499 for the full version and $329 for the upgrade version, takes the Small Business edition and adds Access. The Professional Plus includes Outlook without the Business Contact Manager and adds the InfoPath information-gathering program; the Office Communicator instant messaging program; advanced information rights management and policy capabilities; electronic forms; and integrated enterprise content management.

Professional Plus is available only to volume licensees, and pricing has not been released.

New this year is an Ultimate edition. It takes Professional Plus and adds Business Contact Manager to Outlook as well as Groove collaboration software. The Ultimate edition, however, does not include Communicator. More can be found on Microsoft's site.