If you would like to change the size or position of the elements of the slides in your Presentation File, just follow these steps below!
1. In the navigation bar of Microsoft Powerpoint, click the Themes tab:
2. The navigation bar will show all the master slides in your presentation. All the way on the right, you'll see Edit Master, click it:
3. Click on Slide Master in the drop-down menu. All the master slides will open and you'll be able to adjust the position and color, as well as add or remove elements on your presentation.
When you're done editing, click Close master, and that's it!
You can also follow this simple video guide:
If you have other questions about Powerpoint Presentations or Master Slides, visit the Microsoft Office Support Center. You can also speak with one of our Support Agents, by simply clicking on the link here and submitting your message via the green Help button on the bottom right-hand corner.