PowerPoint XML slideshow .ppsx
A slideshow stored in the Office Open XML presentation format.
Server processing uses engines we host. Availability depends on the deployed engine and supported file variant.
PPSX file format guidePPSX to PPT converter
Convert PowerPoint XML slideshow (.ppsx) to PPT for free. Choose files, review the available settings and download your results. No account needed.
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PowerPoint presentation .ppt
The binary PowerPoint presentation format. Convert slides locally to PPTX, OpenDocument Presentation, or PDF.
The browser Office engine needs a current desktop Chrome or Edge browser, an approximately 79 MB download, and at least 1 GB of free memory. The workspace shows when a hosted fallback is needed. Fonts and unsupported document features can affect the result. Macros and external-link updates are disabled.
PPT file format guideHow to convert PPSX to PPT
- Select PPSX files from your device or drag them into the converter.
- Check the PPT output. Open conversion settings if you want to make adjustments.
- Convert, compare the original and result, then download your files.
Quality, compatibility and file limits
Fonts and unsupported document features may affect layout. Macros and external-link refresh are disabled.
Processing uses your device when possible and our servers when required. Browser files are limited to 256 MB each; server conversions to 64 MB; browser spreadsheets to 32 MB. Previews show supported content and do not guarantee identical rendering in every application.