... Calender from home so they use there pst and create there appointments in Calender under exchange mail box, but the issue is that this users doesn't get any worrning at the arrivel of the appointment. Correct. Without a third-party add-in, Outlook fires reminders only for those folders in the delivery location. Since they're using a PST as the delivery location, the Exchange ...

... to access there Calender from home so they use there pst and create there appointments in Calender under exchange mail box, but the issue is that this users doesn't get any worrning at the arrivel of the appointment. And personally I think becuse they configure there outlook to work with .pst Now i want to know, Is it possible to configure the outlook or exchange, that the Calender ...