How to change the size of slides in Microsoft PowerPoint to match your customized presentation style

When it comes to designing your visual presentation, one size does not fit all. That's doubly true for PowerPoint presentations, which may be viewed on several platforms and devices. Sometimes PowerPoint's default slide isn't the best option for your project, and the program has a built-in fix for that.

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When it comes to designing your visual presentation, one size does not fit all. 

That's doubly true for PowerPoint presentations, which may be viewed on several platforms and devices. Sometimes PowerPoint's default slide isn't the best option for your project, and the program has a built-in fix for that. 

When you create a presentation in Microsoft PowerPoint, you can customize your slides' size and dimension. This allows you to choose a perfect canvass for your content. 

Microsoft offers the ability to change the size of your slides on the Windows, Mac, and web-based apps. Here's how to do it. 

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Microsoft Office (From $149.99 at Best Buy)

Apple Macbook Pro (From $1,299.00 at Apple)

Acer Chromebook 15 (From $179.99 at Walmart)

How to change slide size in PowerPoint for PC

1. Open an existing PowerPoint file, or start a new presentation.

2. Select "Design" from the top menu bar. 

You may be asked if you want the existing content to be scaled up or down to the new dimensions. Emma Witman/Business Insider

3. Toward the right, click "Slide Size." 

4. In the drop-down menu, select Standard, Widescreen, or "Custom Slide Size…"

You can also choose the orientation of the slides. Emma Witman/Business Insider

5. When you're done, click "OK." 

How to change slide size in PowerPoint for Mac

1. Create a new presentation, or launch an existing file. 

2. Click "Design" from the top-line row of options.

There are a few minor differences between the PowerPoint app for Mac and PC users. Emma Witman/Business Insider

3. Toward the right, you'll see "Slide Size." Click it for a drop-down menu of options.

You can choose from preset sizes or customize your slide dimensions. You can choose from preset sizes or customize your slide dimensions.

4. Select the included Standard or Widescreen options, or click "Page Setup…" for a custom size.

5. Choose "OK" when you're done. 

How to change slide size in PowerPoint for web

1. Navigate to powerpoint.office.com and sign in to your Microsoft account. 

2. Open a new or existing PowerPoint.

3. Select "Design" from the top row of options.

4. Click "Slide Size."

From here, the interface will be similar to Mac or PC. Emma Witman/Business Insider

5. Select between Widescreen and Standard, or create custom dimensions with "Custom Slide Size…"

6. If selecting custom, enter the dimensions and then choose whether you want it in landscape or portrait mode. 

You can use the sliders to adjust your custom dimensions. Emma Witman/Business Insider

7. Choose between maximizing your slide size or scaling it to fit the new dimensions. 

Customized dimensions may work better, or may not have a good visual appeal when manipulated. Emma Witman/Business Insider

8. Click "OK." 

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Emma Witman Emma Witman is an Asheville, NC-based freelance journalist with a keen interest in writing about hardware, PC gaming, politics, and personal finance. She is a former crime reporter for a daily newspaper, and has also written extensively about bartending for Insider. She may or may not judge your drink order when behind the bar. Follow her on Twitter at @emwity. Read more Read less

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