Convert PowerPoint (Legacy) to PowerPoint Online Free
Convert PowerPoint (Legacy) to PowerPoint while preserving formatting, tables, and images. Powered by LibreOffice for accurate document conversion.
ChangeThisFile converts your legacy PowerPoint PPT file to the modern PPTX format using LibreOffice on our secure servers. PPTX supports richer features and is the standard for current PowerPoint versions. Encrypted upload with auto-deletion after processing, completely free with no signup needed.
Convert PowerPoint (Legacy) to PowerPoint
Drop your PowerPoint (Legacy) file here to convert it instantly
Drag & drop your .ppt file here, or click to browse
Convert to PowerPoint instantly
PowerPoint (Legacy) vs PowerPoint: Format Comparison
Key differences between the two formats
| Feature | PowerPoint (Legacy) | PowerPoint |
|---|---|---|
| Format type | Binary (OLE2) | Office Open XML Presentation |
| Specification | Microsoft proprietary | ECMA-376 |
| Features | Slides, animations, transitions | Slides, animations, transitions, speaker notes |
| File size | Binary (larger) | Compressed XML |
| Editing | Full in MS Office | Full editing |
| Compatibility | MS Office, limited elsewhere | MS Office, Google Slides, LibreOffice |
When to Convert
Common scenarios where this conversion is useful
Edit presentations in PowerPoint
Convert PowerPoint (Legacy) slides to PowerPoint format for editing in Microsoft PowerPoint or Google Slides.
Corporate presentation standards
Many organizations standardize on PPTX format for all internal and external presentations.
Template migration
Convert PowerPoint (Legacy) presentations to PPTX for use with modern PowerPoint themes and templates.
How to Convert PowerPoint (Legacy) to PowerPoint
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1
Upload your PowerPoint (Legacy) file
Drag and drop your .ppt file onto the converter, or click to browse. Files up to 50 MB are supported for free.
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2
Server-side conversion
Your file is securely uploaded and converted on our servers using LibreOffice, the open-source office suite. This typically takes a few seconds.
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3
Download the result
Once conversion is complete, click Download to save your .pptx file. The uploaded file is automatically deleted from our servers.
Frequently Asked Questions
Yes, completely free. Convert PowerPoint (Legacy) to PowerPoint with no cost, no signup, and no watermarks.
No. Files are automatically deleted immediately after conversion. Nothing is stored or retained.
Yes. Files are transferred over encrypted HTTPS connections. Your data is protected in transit.
The conversion uses LibreOffice, the open-source office suite on our servers, ensuring reliable and high-quality output.
Basic slide content and formatting are preserved. Some transitions and animations may need to be re-applied in PowerPoint.
Yes. The output PPTX is fully editable in Microsoft PowerPoint, Google Slides, and LibreOffice Impress.
Images and basic media are preserved. Complex embedded objects may need re-insertion.
Speaker notes from the source presentation are preserved in the PPTX output when available.
Currently, files are converted one at a time. Upload your next file after downloading the result.
Files up to 50 MB are supported for free conversion.
Standard fonts are preserved. Custom fonts may be substituted with similar alternatives.
The source file must not be password-protected. Remove protection before uploading.
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