Master Slide Layout
Adds or removes header, footer, date, and slide number placeholders to the layout of the master slide.
萬用字元
標題
Adds a header placeholder to the master slide for notes.
日期/時間
Adds a date/time placeholder to the master slide.
頁尾
Adds a footer placeholder to the master slide.
投影片號碼
Adds a slide number placeholder to the master slide.