In Outlook 2003, logged on as a user without administrative rights to the local machine, Tools> Options> Spelling, "General Options" is greyed out and cannot be accessed. It is not available. This section is available when logged on as a user with administrator rights.
This is the same in every computer in the domain, but is not affected by group policy. If I disable group policy on any machine, the problem still remains.
I have tried uninstalling Proofing Tools, rebooting, and re-installing it, but when I go back to re-install it, I find that the proofing tools are still installed.
If I uninstall and reinstall Office 2003, the problem remains.
If I uninstall Outlook 2003 and install Outlook XP, the problem is solved.