If you create a lot of PowerPoint slideshows, then you'll be happy to know there's an easy way to grab slides from one slideshow and put them into another. Taking slides from other PowerPoint slideshows is useful not just for reusing chunks of slideshows that you've put together yourself, but also for borrowing from presentations that other folks have created.
Of course, you can always open both slideshows, hunt around in slideshow #2 for the slides you want to copy, copy them, and then paste them into slideshow #1, exactly as described on Cutting, Copying, and Pasting Slides. But there's an easier approach—the Reuse Slides command.
To insert a slide from another slideshow:
Open the slideshow into which you want to insert a slide from another slideshow.
In the Slides pane in Normal view, click to select the slide you want the new slide to appear after.
If you skip this step, then PowerPoint assumes you want to add a new slide after the first slide of your main slideshow.
Choose Home → New Slide → Reuse Slides.
The Reuse Slides pane appears (Figure 21-6). Slideshow files you've previously borrowed from appear in a drop-down list.
Figure 21-6. The Reuse Slides pane gives you several ways to choose the slideshow you want to borrow slides from.
From the "Insert slide from" drop-down menu, choose the slideshow you want to borrow from.
Alternatively, you can ...