Choose Slide - Slide Properties.

Choose Slide - Slide Properties and then click the Slide 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.

Trieu Diapositiva ▸ Diapositiva nova.

A la barra Presentació, feu clic a