In Project, the default time unit for work is hours, but you can change it to be minutes, days, weeks, or months:
- Choose File > Options.
- In the Project Options dialog box, choose Schedule.
- In the Work is entered in list, choose the time unit that you want.
Change other task and work defaults
- You can change the default work week for a resource in the Change Working Time dialog box. See Set working times, vacations, and holidays for your project for details.
- On the Schedule tab of the Project Options dialog box, you can also change many other task characteristics.