Not sure if anyone can help, but I have a need to synchronise my outlook 2003 calendar with my treo 650, but I can't install any software onto the PC that holds outlook!

I'm sure this must be possible, but not sure how. I do know that if I email outlook calendar entries to my versamail on the treo, then I can import those into the treo's calendar. Unfortunately, when an entry is deleted on the PC, it obviously isn't deleted on the treo. Also, synchronisation from the treo to the PC doesn't occur (although I'm less worried about that).

Any thoughts - happy to use something like yahoo calendars as an intermediate step if this might work?

Thanks for any help!