There are a number of ways to add a slide in PowerPoint presentation. The most frequently used option is to click the New Slide button.
See the below image:
The other ways you can add a slide are: Office Themes, Duplicate Selected Slide and Reuse Slides.
1) Using the Office Themes to add slide:
- First, Select that slide next to which you want the new slide to appear
- In the Home tab, click on the drop-down arrow on the New Slide button
- It will now display more of the office themes
- Select that slide choice that suits your unique requirement
See the below image:
2) Using a Duplicate Selected Slide option to add a new slide:
- First, Select the slide you want to duplicate
- In the Home tab, click on the drop-down arrow of New Slide button
- Now, just Left click the Duplicate Selected Slide
See the below image:
3) Using Reuse Slides option to add slide:
- First, Select the slide next to which you want your new slide to appear
- In the Home tab, click on the drop-down arrow of the New Slide button
- Now, Select the Reuse Slides option shown
- Click on Browse and then click on the Browse File
- Select that particular slide from the presentation that you want to import
See the below images: