The following steps setup the required format:
1. Login as admin.
2. Select Administration\ItemTypes in TOC (the main Innovator tree).
3. Find Project in the appeared grid and edit it.
-> The Project window appears.
4. Select date_start_sched (the date property example, its label is Sched Start) property in Properties tab.
5. Set Pattern=dd.MM.yyyy (for example) for the selected property. Other patterns may be used here.
6. Click Save icon in the window.
7. Select Portfolio\Projects in TOC.
-> Sched Start values are displayed in the specified format.
Note: Sched Start dates are displayed in the specified format on Project form too.
Note 2: This way is useful to change a date property format for any ItemType (Project ItemType is an example).