To edit a Period/Event in the calendar.

1. Click on a ‘Period/Event’.
2. There are 2 possibilities to ‘Edit’ that ‘Period/Event’:
   
   • Click on the Edit button (1) in the toolbar, and choose Edit selected Period/Event from the submenu.
   • Click the right mouse (2) button, and choose Edit selected Period/Event from the submenu.
3. Click on Start Date, End Date to edit the planning of the ‘Period/Event’.
4. Click in the Description field to edit the description.
5. Click Ok.

Your edited ‘Period/Event’ appears in the calendar.