PPSX to ODP Converter

Switch PPSX to open-source ODP format online free

Drop files here. 1 GB maximum file size or Sign Up
to
Facebook Amazon Microsoft Tesla Nestle Walmart L'Oreal

Microsoft to Open Standard

Move your PPSX content from a proprietary slideshow format into ODP — an open, ISO-standardized format editable in free software.

Entirely Browser-Based

No installs on your device. Open Convertio in any browser, upload the PPSX, and receive a fully compatible ODP in return.

Quick Turnaround

Cloud-powered processing delivers your ODP in moments. Even complex presentations with many slides and images convert efficiently.

How to convert PPSX to ODP

1

Select files from Computer, Google Drive, Dropbox, URL or by dragging it on the page.

2

Choose odp or any other format you need as a result (more than 200 formats supported)

3

Let the file convert and you can download your odp file right afterwards

About formats

PPSX (PowerPoint Slideshow XML) is the Open XML counterpart to the legacy PPS format, introduced by Microsoft with Office 2007. Like PPTX, a PPSX file is a ZIP archive containing XML parts that describe slides, layouts, themes, and media assets according to the Office Open XML specification. The distinguishing characteristic is behavioral: opening a PPSX file launches the presentation directly in full-screen slideshow mode, bypassing the editing environment. This makes PPSX the preferred format for distributing finalized presentations where the audience should experience the content as a seamless visual narrative without exposure to the editing interface, slide sorter, or speaker notes panel. PPSX files support every visual feature available in PPTX including transitions, animations, embedded video and audio, hyperlinks, SmartArt, charts, and custom slide timings. One advantage is streamlined delivery — a PPSX file attached to an email or shared via a link opens as a polished presentation with a single click, requiring no instruction to the recipient. The XML-based foundation provides another benefit: PPSX files are typically much smaller than equivalent PPS files due to built-in ZIP compression, and their contents can be inspected or modified programmatically using standard XML tools. The format is supported for playback in PowerPoint, LibreOffice Impress, Google Slides (after upload), and various mobile presentation apps, ensuring broad cross-platform reach for distributed slide decks.
Developer: Microsoft
Initial release: January 30, 2007
ODP (OpenDocument Presentation) is the presentation file format defined by the OpenDocument Format (ODF) standard, developed by the OASIS technical committee and first published as ODF 1.0 on May 1, 2005, later adopted as international standard ISO/IEC 26300. An ODP file is a ZIP archive containing XML documents that describe presentation content, styles, metadata, and settings using a vendor-neutral, royalty-free specification. Slides are defined in content.xml using drawing and presentation namespaces, with separate files for styles, manifest, and embedded media. The format supports text frames, images, charts, tables, shapes, gradients, transparency, slide transitions, animations, master pages, and speaker notes. ODP serves as the native format for LibreOffice Impress, Apache OpenOffice Impress, and Calligra Stage, and can be imported by Microsoft PowerPoint, Google Slides, and other commercial tools. One advantage is vendor independence — ODP is governed by an open standard rather than a single company, ensuring long-term accessibility and freedom from proprietary lock-in. This makes ODP particularly valuable for government agencies, educational institutions, and organizations with digital preservation mandates. The fully documented XML structure is another strength, enabling programmatic generation and processing using any programming language with XML support. ODP is mandated or recommended as a document format by numerous national governments worldwide.
Developer: OASIS
Initial release: May 1, 2005

Frequently Asked Questions

Why convert PPSX to ODP?

ODP is an open standard supported by free software like LibreOffice Impress. Converting from PPSX also lets you edit slides that were previously view-only.

What applications open ODP?

LibreOffice Impress is the most popular option. Apache OpenOffice, Calligra Stage, and Google Slides (via upload) also support ODP presentations.

Are slide layouts preserved in ODP?

Text positioning, images, shapes, and slide backgrounds carry over faithfully. Minor differences may appear with Microsoft-specific fonts or effects.

Is ODP a good long-term archival format?

ODP uses the ISO-standardized OpenDocument specification, making it an excellent choice for long-term preservation and vendor independence.

Do I need PowerPoint installed?

No. Convertio handles the entire PPSX to ODP conversion in the cloud. No desktop software of any kind is required on your end.

Is this conversion free?

Yes — Convertio offers free PPSX to ODP conversion. Premium tiers unlock higher limits and faster queue priority.

PPSX to ODP Quality Rating

4.5 (139 votes)
You need to convert and download at least 1 file to provide feedback!