Click the Home tab.
Click the New Slide button arrow, and then click Reuse Slides.
![Click the Home tab. Click the New Slide button arrow, and then click Reuse Slides.](http://www.java2s.com/Tutorial/Microsoft-Office-PowerPoint-2007Images/Insert_Slides_From_Another_Presentation___Click_Home_Tab_Click_New_Slide_Butt.PNG)
Click Browse and click Browse file. Select the slides you want to insert.
![Select the slides you want to insert.](http://www.java2s.com/Tutorial/Microsoft-Office-PowerPoint-2007Images/Insert_Slides_From_Another_Presentation___Select_Slides_You_Want_To_Insert.PNG)
To insert all slides, right-click a slide, and then click Insert All Slides.
![To insert all slides, right-click a slide, and then click Insert All Slides.](http://www.java2s.com/Tutorial/Microsoft-Office-PowerPoint-2007Images/Insert_Slides_From_Another_Presentation___To_Insert_All_Slides_Rightclick_Sli.PNG)
To insert only the theme, right-click a slide, and then click Apply Theme to All Slides.
![To insert only the theme for all slides, right-click a slide, and then click Apply Theme to All Slides.](http://www.java2s.com/Tutorial/Microsoft-Office-PowerPoint-2007Images/Insert_Slides_From_Another_Presentation___To_Insert_Only_Theme_For_All_Slides.PNG)