PPSX to POTM Converter
Convert PPSX to POTM online for free. Fast, secure, and high-quality conversion with no sign-up or software required.
Maximum file size is 1GB
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Three steps to your converted file
Everything happens in your browser tab - upload, pick a format, download. The heavy lifting runs on our servers.
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Drag and drop, click to browse, or paste a URL. Batches take up to 20 files at once - 230+ input formats across video, audio, image, document, and archive types.
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What is a PPSX file?
The PPSX (PowerPoint Open XML Slide Show) format is a presentation file introduced by Microsoft with Office 2007, adhering to the Office Open XML (OOXML) standard (ISO/IEC 29500). It acts as a read-only slideshow version of the PPTX format, launching directly into presentation view rather than the editing interface. Structurally, it is a ZIP archive containing XML documents that define slide layouts, themes, and content, but it explicitly excludes the vbaProject.bin part found in macro-enabled variants, ensuring it cannot execute code.
How to open a PPSX file
Native support for PPSX is built into Microsoft PowerPoint 2007 and newer versions on Windows and macOS. To edit a PPSX file rather than view it, users must open PowerPoint first and select the file via the 'Open' menu. Alternative software includes LibreOffice Impress, Google Slides, and Apple Keynote, all of which can parse the OOXML structure, though some transition animations may not render identically to the Microsoft engine.
PPSX Technical Info
- Full Name
- PowerPoint Open XML Slide Show
- Developed By
- Microsoft
- Initial Release
- 2007
- MIME Type
- application/vnd.openxmlformats-officedocument.presentationml.slideshow
What is a POTM file?
The POTM format is a macro-enabled presentation template introduced with Microsoft Office 2007, adhering to the Office Open XML (OOXML) standard. It utilizes ZIP compression to organize XML components but, unlike standard POTX files, allows the storage of Visual Basic for Applications (VBA) code within a vbaProject.bin part. This distinction enables the automation of tasks and custom scripting within the template structure.
How to open a POTM file
Opening POTM files requires software capable of executing or suppressing VBA macros securely. Microsoft PowerPoint is the primary application for Windows and macOS. While LibreOffice Impress and WPS Office can open the slide content, macro execution may be restricted or unsupported due to differences in the scripting backend compared to the Microsoft VBA engine.
POTM Technical Info
- Full Name
- PowerPoint Open XML Macro-Enabled Template
- Developed By
- Microsoft
- Initial Release
- 2007
- MIME Type
- application/vnd.ms-powerpoint.template.macroEnabled.12
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Developer API
Convert PPSX to POTM via API
Automate PPSX to POTM conversions in three steps: create a job, upload your file, then poll for the result.
# 1. Create job
curl -X POST https://api.runconvert.com/v3/jobs \
-H "Authorization: Bearer YOUR_API_KEY" \
-H "Content-Type: application/json" \
-d '{
"tag": "ppsx-to-potm",
"tasks": {
"upload-file": {
"operation": "import/upload"
},
"convert": {
"operation": "convert",
"input": "upload-file",
"output_format": "potm"
},
"export-result": {
"operation": "export/url",
"input": "convert"
}
}
}'
# 2. Upload your file (use upload_url from the response)
curl -X PUT "$UPLOAD_URL" --upload-file input.ppsx
# 3. Poll for result
curl https://api.runconvert.com/v3/jobs/$JOB_ID?include=tasks \
-H "Authorization: Bearer YOUR_API_KEY"Replace YOUR_API_KEY with your RunConvert API key. Get your free API key at runconvert.com/api.