In the Calendar tab, you set up the default calculations for project schedules. Actual project calendars are set up in the Working Time dialog box. The specific calendars and type (Deterministic or Probabilistic) are set up in the Main Project Settings.
1. From the Tools menu, choose Options.
2. Click the Calendar tab.
3. Enter in the daily, weekly, and monthly translation values in the fields provided.
4. Select the date format in the Output Date Format box.
5. Enter a default start date for tasks in the New Task box. New tasks can be started on current date or default start date. Default start date is defined in Project > Main Project Settings > Project Start Time. If new task supposes to start on current date and different date is defined in Project Start Time of the Main Project Settings dialog, new task will be constrained Start not earlier than.
6. Use the Show Deadlines and Show Resources on the Gantt Chart check boxes to modify what you want to view on the Gantt chart.

See also

Setting up your project defaults