how to make ppt presentation smaller

11 Easy Ways to Decrease PowerPoint File Size

Trish Dixon

Creating PowerPoint presentations is a common task for both professionals and students. However, large PowerPoint files can cause issues when sharing, storing, or loading presentations. In this guide, we will show you how to decrease PowerPoint file size effectively without sacrificing quality. By following the tips outlined here, you can optimize your PowerPoint files for faster performance and easier sharing.

Why Reducing PowerPoint File Size is Important

Reducing the size of your PowerPoint file is crucial for several reasons:

• Faster Uploads : Large files can take a long time to upload or email, especially when internet speed is limited.
• Easy Sharing : Smaller files are easier to share via email or cloud platforms like Google Drive or OneDrive.
• More Storage Space : By reducing file size, you free up storage space on your computer or cloud storage.
• Quicker Load Times : Large presentations can be slow to open and may lag while editing or presenting, particularly on older devices.

Now, let’s explore the different ways to reduce PowerPoint file size .

1. Compress Images in PowerPoint

One of the main reasons PowerPoint files become large is due to high-resolution images. By compressing these images, you can significantly reduce the file size.

Steps to Compress Images:

• Click on an image in your PowerPoint presentation.
• Go to the Picture Format tab.
• Click on Compress Pictures .
• Select the Email (96 ppi) option for the smallest file size.
• Uncheck Apply only to this picture if you want to compress all images in the presentation.
• Click OK to apply the compression.

By choosing a lower resolution like 96 ppi, you can maintain decent image quality while reducing the overall size of the PowerPoint file.

Overview: Image Compression Options

2. save the powerpoint as a pdf.

If you do not need to edit the PowerPoint file further and just need it for viewing or sharing purposes, converting the PowerPoint to a PDF is a great way to reduce file size.

How to Save as PDF:

• Go to File > Save As .
• Select PDF from the file type dropdown menu.
• Click Save .

This will create a much smaller file, making it easier to share while retaining the layout of the presentation.

3. Remove Unused Slide Masters

Slide Masters control the design and layout of your PowerPoint slides. If your presentation contains multiple themes or templates, unused Slide Masters could be increasing the file size.

Steps to Remove Unused Slide Masters:

• Go to the View tab.
• Click on Slide Master .
• Scroll through the Slide Masters and delete any that are not in use.
• Click Close Master View .

By removing unnecessary slide layouts, you can reduce the PowerPoint file size without affecting the content.

4. Embed Fonts Properly

Embedding custom fonts can increase the file size significantly. If you are using custom fonts, you should embed only the characters used in the presentation to keep the file size small.

How to Embed Fonts:

• Go to File > Options .
• In the Save section, check the box next to Embed fonts in the file .
• Select Embed only the characters used in the presentation .

This ensures that fonts are included without bloating the file size unnecessarily.

5. Remove Hidden Data and Personal Information

PowerPoint files often contain hidden metadata and personal information, which can contribute to the file size. Removing this data can help reduce the size of your file.

Steps to Remove Hidden Data:

• Go to File > Info .
• Click on Check for Issues and select Inspect Document .
• In the dialog box, check all options to search for hidden data.
• Click Remove All to eliminate unnecessary metadata.

This step can help you save valuable space while also protecting your privacy.

6. Use Linked Media Instead of Embedding

Embedding videos or audio files directly into the presentation can cause the PowerPoint file to balloon in size. Instead of embedding, you can link to external media to keep the file size manageable.

How to Link Media Files:

• Go to the Insert tab and select Video or Audio .
• Choose Link to File rather than embedding the media.

By linking the media, the file size remains small, but be sure that the media files are accessible from the same location when you share the presentation.

7. Save the File in a Compressed Format

By default, PowerPoint saves files in PPTX format, which is already compressed. However, older formats like PPT are not compressed, leading to larger files. Always save your presentation in the PPTX format.

How to Save in PPTX Format:

• Select PowerPoint Presentation (.pptx) from the dropdown menu.

Saving in PPTX ensures that your file remains compressed and optimized for modern use.

8. Use the PowerPoint File Compression Tool

PowerPoint offers a built-in tool to compress the entire presentation, including images, media, and animations. This can be a quick way to reduce the overall file size without manually compressing individual elements.

How to Use PowerPoint’s Compression Tool:

• Click on Compress Media .
• Choose Low Quality for the smallest file size.

This method will reduce the quality of media files, but it significantly lowers the overall size of your presentation.

9. Minimize the Use of Animations and Transitions

Animations and transitions can increase the size of your presentation, especially if they are complex or used excessively. Consider reducing the number of animations or using simpler transitions to decrease the PowerPoint file size.

Steps to Remove or Minimize Animations:

• Go to the Transitions tab.
• Select None for slide transitions that you want to remove.
• In the Animations tab, simplify or remove unnecessary animations from objects.

Using fewer animations makes the file smaller and also helps the presentation run more smoothly during playback.

10. Delete Unused Media Files

If you’ve included media files such as images, audio, or video in your presentation and then removed them, PowerPoint may still store these files in the background, contributing to the file size. Deleting these unused files can free up space.

Steps to Delete Unused Media:

• Click on Optimize Compatibility .
• PowerPoint will display any media that is causing compatibility issues or taking up unnecessary space.
• Click Delete to remove unused media files.

This ensures that only the necessary elements remain in your presentation, keeping the file size small.

11. Avoid Using Too Many Embedded Objects

Embedded objects like charts, tables, and Excel sheets can make your PowerPoint file larger. Where possible, use static images or simplified versions instead of embedding entire files.

Steps to Replace Embedded Objects:

• Right-click on the embedded object.
• Choose Convert to Image to replace the object with an image file.

Images take up less space and are easier for PowerPoint to handle, thus reducing the overall size of your presentation.

Final Thoughts

Reducing the size of your PowerPoint presentation can improve performance, make sharing easier, and free up storage space. By using these methods—compressing images, removing unused media, embedding fonts carefully, and saving in compressed formats—you can effectively reduce PowerPoint file size while maintaining presentation quality. This will ensure that your presentations are easy to manage, share, and present without any performance issues.

How can I reduce the size of images in PowerPoint?

You can reduce image size by compressing images in PowerPoint. Go to Picture Format, click Compress Pictures, and select a lower resolution such as Email (96 ppi).

Does saving PowerPoint as a PDF reduce file size?

Yes, saving PowerPoint as a PDF can significantly reduce the file size. This is useful when you only need to share or view the presentation.

What is the best resolution to compress images in PowerPoint?

The best resolution for reducing file size while maintaining acceptable quality is Email (96 ppi). For web use, 150 ppi can be a good compromise.

How do I remove unused Slide Masters to reduce file size?

To remove unused Slide Masters, go to View > Slide Master, and delete any layouts not in use. This can help reduce file size without affecting the content.

Can embedding fonts increase the PowerPoint file size?

Yes, embedding fonts can increase the file size. To minimize this, choose to embed only the characters used in the presentation in the Save options.

How can I delete unused media files from PowerPoint?

You can delete unused media files by going to File > Info > Optimize Compatibility, where you can remove unnecessary media to free up space.

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How to Reduce Powerpoint File Size

Last Updated: March 29, 2022

This article was co-authored by wikiHow staff writer, Jack Lloyd . Jack Lloyd is a Technology Writer and Editor for wikiHow. He has over two years of experience writing and editing technology-related articles. He is technology enthusiast and an English teacher. This article has been viewed 982,959 times. Learn more...

This wikiHow teaches you how to lower a PowerPoint presentation file's size by compressing its images on a Windows or Mac computer, or by clearing the editing data on a Windows computer. There is currently no option to delete the editing data of PowerPoint presentations on a Mac.

Compressing Images on Windows

• If your PowerPoint file isn't yet open, first open it by double-clicking it.
• It doesn't matter which picture you double-click, since all of them will open the appropriate tab.

Compressing Images on Mac

Removing Edit Data on Windows

Expert Q&A

• Using JPEG files rather than other file formats will cut down on your presentation's overall size. Thanks Helpful 0 Not Helpful 0
• When formulating a presentation, using the default plain backgrounds in your slides will make your file smaller than if you upload detailed backgrounds. Thanks Helpful 0 Not Helpful 0
• If you can't get your PowerPoint file to shrink down enough to send it via email, you can upload it to a cloud service (e.g., Google Drive) and send an email with a link to the file instead. Your recipient will be able to download the file from Google Drive. Thanks Helpful 0 Not Helpful 0

• Reducing your images' quality will make a noticeable difference in your PowerPoint's overall quality. Thanks Helpful 1 Not Helpful 1

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• ↑ https://support.office.com/en-us/article/Reduce-your-file-size-631d1d48-a56b-4fd4-ad66-091dd201db10?ui=en-US&rs=en-US&ad=US&fromAR=1#bmpp
• ↑ http://www.isumsoft.com/it/reduce-powerpoint-file-size-in-office-2016/

About This Article

1. Double-click an image. 2. Click Compress Pictures . 3. Remove the check mark from “Apply only to this picture.” 4. Select a lower DPI. 5. Click OK . 6. Click File . 7. Click Options . 8. Click Advanced . 9. Click Discard editing data . 10. Click OK and save the file. Did this summary help you? Yes No

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