Right click on program icon appears in system notification area and choose "Preferences" menu item from pop-up menu or click on
button on PNotes Control Panel.
When "Preferences" dialog appears, choose "Diary" page.
To set naming format of diary's "pages" select desired format in combo box. The sample of date formatted using this format is shown in field next to the combo box.
Note: changing this format will automatically change names of all diary's "pages", accordingly to their dates of creation.