LibreOffice 7.5 Help
Choose Slide - Slide Properties
Choose Slide - Slide Properties and then click the Page tab
Choose Slide - Slide Properties and then click the Background tab
Choose Slide - Layout
Choose Slide - Change Slide Master
Choose Slide - Change Slide Master - Load
Choose Slide - New Slide
प्रस्तुतिमा पट्टीमा, क्लिक गर्नुहोस्
New Slide