I just migrated to mac, and so I left microsoft project and went to omni plan. Now when I open a new file, i can't seem to change any of those dates: start date, end date, planned start, planned end, the project start date, and any other date. Anytime I choose the date using the calendar I get 05/01/09 on display. When . I can't change it. I downloaded the trial of Merlin and I found that it is the same. So is it an OS problem? or is it a setting I need to adjust.