PPT to PPTX Merger Online App

Merge PPT to PPTX in PowerPoint online app.

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* By uploading your files or using our service you agree with our Terms of Service and Privacy Policy.

Optionally upload style master file (any presentation file)

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Want to create the same presentation Merger app? Learn how to do it here.

 How to merge PPT to PPTX using Aspose.Slides Merger App

How to merge PPT to PPTX using Aspose.Slides Merger App

  1. Open Aspose.Slides Merger application.
  2. Click inside first drop area to upload or drag & drop PPT and PPTX files.
  3. Click inside second drop area to upload style master file, if you want to apply it to the PPT and PPTX merged.
  4. Choose the format of resulting file. You may merge presentations into a PowerPoint presentation format or many other formats.
  5. Click "Merge" button, and download or send PPT to PPTX merged file as an email. If the resulting file has PowerPoint presentation format, you may view it.
  6. Note that the resulting file will be deleted from our servers after 24 hours and download links will stop working after this time period.

Use PPT to PPTX Merger to merge PPT online to PPTX. It is easy to combine old PPT presentation format by PowerPoint with PPTX format to create a new PPTX presentation. PPT to PPT Merger is a PPTX compiler, which can process multiple files in one run.

Other Aspose Apps you may want to try: Collage web app for making collages and merging JPG photos; PowerPoint to Word converter for converting presentations to Word documents.

Aspose.Slides for .NET

Aspose.Slides Merger

  • Merge PPT to PPTX document.
  • Merge multiple PPT to PPTX files.
  • Combine PPTX online with PPT into one file format.
  • Apply PowerPoint template by merging Slide Master into the resulting PPT to PPTX file.
  • The order of slides in PPT to PPTX merge can be changes with app settings.


  1. What does PPT to PPTX Merger app?
    PPT to PPTX Merger compiles PPT and PPTX files into one document of PowerPoint, Word, image, html or other format.
  2. What is the order of PPT to PPTX merged?
    You may choose PPT to PPTX merging order.
  3. How to use style master file in PPT to PPTX Merger App?
    You may upload your style master file, it will be applied to the resulting file.
Fast and easy

Fast and Easy Way to Merge

Upload your document, choose the save format type and click on Convert button. You will get the download link as soon as the file is converted.

Convert from Anywhere

It works from all platforms including Windows, Mac, Android and iOS. All files are processed on our servers. No plugin or software installation required for you
High quality

Merge Quality

The conversion process is powered by industry-leading Aspose.Slides APIs, which are widely used in many Fortune 100 companies across 114 countries.

Other Supported Mergers

You can also merge other file formats. Please see the list below.

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