Categories are multi-valued fields by design. If you want to change their
properties programmatically, you may do better to ask the programming types
in their newsgroup than asking here - depends who's looking here today.
--
Regards
Judy Gleeson
MVP Outlook
Trainer and Consultant
www.pragmatix.com.au
My suggested settings for Outlook 2003 are FREE on my website.
..
"pdi805" <(E-Mail Removed)> wrote in message
news

DC77823-CC87-42AD-8BCE-(E-Mail Removed)...
> Does anyone know of a way to limit the number of categories that can be
> applied to any specific task/appointment/e-mail in Outlook 2007?
> Specifically, I am hoping to be able to limit these items to one category.
> I
> think can be useful to have multiple categories in some instances, but I
> would like to be able to easily change a task's category by clicking on a
> new
> category, rather than having to click the new category and then unclick
> the
> old category. This can be very confusing, because I group my items by
> category, an when they are grouped this way, the "Category" column only
> shows
> the single category of the current group, rather than showing all the
> categories of the item. So if I forget to uncheck the old category, the
> item
> will show up multiple times in the list. I am hoping I can make these
> work
> in a similar way to the colored flags for e-mail in Outlook 2003.