How to convert your PowerPoint Presentation to a new template 1.

Open that template by double clicking on it.

Once open, DONT click on the New Slide icon Instead, click below the button on the small arrow next to the text label reading New Slide.

You will then see a thumbnail image of all of the slide masters available in the template; at the very bottom, select Reuse Slides.

A Reuse Slides box will open on the right of your main PowerPoint screen.

In the Reuse Slides box, click the Browse button and then select Browse File.

A thumbnail image of all of your original slides will appear in the Reuse Slides box.

Use the right click of your mouse on any one of the original slide thumbnails and select Insert All Slides.

Your original slides will be updated appearing as new slide pages in the new PowerPoint presentation template.

Most standard text slides will convert automatically to the new format.

More complex slides may need minor adjustments to follow the new format.

Use the Layout button to select a different slide master for individual slides.

Save and name your new PowerPoint presentation.

Powerpoint For Mac Copy Slides From One Presentation To Another Save Original Formatting