Online PPT to PPTX Converter
Upgrade legacy .ppt files to the modern .pptx format to unlock advanced editing features and better compatibility.
Drop your file here
or click to select · .pptx,.ppt
Max size: 300.0 MB
Why use DeckFlow for this?
Lossless Format Upgrade
Modernize legacy .ppt files to the more powerful and versatile .pptx format.
Unlock Advanced Effects
Enable modern transitions and "Morph" effects on older documents.
Enhanced Compatibility
Perfect fit for the latest Office versions and all mobile document viewers.
Rapid Cloud Processing
Powered by DeckFlow's high-performance engine for instant, zero-wait conversion.
Frequently asked questions
Will any content be lost during the conversion?+
The conversion preserves all content, including text, images, charts, and basic animations. Some advanced legacy features may be simplified.
Will the layout break after conversion?+
DeckFlow's engine ensures high-fidelity conversion, precisely adapting legacy .ppt layouts to the modern .pptx format.
Why should I convert PPT to PPTX?+
PPTX is a modern, XML-based format that is smaller, more stable, and supports advanced animations and "Morph" transitions.
Is it free to use?+
DeckFlow offers a free usage quota. New users receive free credits upon registration.