With the newest patch, OfficeScan 8.0 supports Windows 7.
This is Trend Micro OfficeScan 8.0 SP1 Patch 5
Full readme can be found here:
http://www.trendmicro.com/ftp/documentation/readme/OSCE_80_Win_SP1_Patch5_en_readme.txt
It’s important to notice that only the following drivers are compatible with Windows 7:
Virus Scan Engine (8.952 or higher)
Virus Cleanup Engine (6.2.1016 or higher)
Anti-rootkit Driver (2.8.1063 or higher)
Common Firewall Driver (NSC) (5.8.1092 or higher)
Virus Scan Engine and Virus Cleanup Engine can be updated from the Active Update server.
Anti-rootkit Driver and the Common Firewall Driver (NSC) are included in this patch.
I haven’t had time to test if this actually works on Windows 7. If anyone has, please feel free to leave a comment. I will test it as soon as I can.