File extension

.odp

OpenDocument Presentation (.odp)

.odp files are OpenDocument Presentation files: the OASIS/ISO standard XML-in-ZIP format used by LibreOffice and Apache OpenOffice for slide presentations.

Known meanings

Formats and reference material for .odp

OpenDocument Presentation (.odp)

ZIP-packaged XML presentation format from the OpenDocument Format (ODF) standard (OASIS / ISO/IEC 26300)

  • documents
  • OASIS
Open link

Details

Format notes

OpenDocument Presentation (.odp)

The .odp extension is the presentation member of the OpenDocument Format (ODF), an open XML-based office format family developed by OASIS and also published as ISO/IEC

  1. ODF is the native format of LibreOffice and Apache OpenOffice and is supported by many other office suites, so .odp is a vendor-neutral way to store and exchange slide presentations.

An ODF file is a ZIP package. By convention the first entry is an uncompressed file named mimetype containing the media type (application/vnd.oasis.opendocument.presentation for .odp), which lets tools identify the file without parsing the XML. The package also holds content.xml (the document body), styles.xml, meta.xml (metadata), settings.xml, a META-INF/manifest.xml listing all parts, and embedded media. Slides are stored as draw pages in content.xml, with masters and layouts in styles.xml.

Tooling And Interoperability

LibreOffice, Apache OpenOffice, Calligra, and many libraries read and write ODF, and several other applications (including Microsoft Office and Google Workspace) import and export it with varying fidelity. Complex formatting, macros, and application-specific features may not round-trip exactly between suites.

Preservation And Security Notes

Because it is an open, standardized, and documented format, ODF is widely recommended for long-term storage of editable documents; keep a PDF/A rendition if fixed layout matters. Documents can contain macros, scripts, and links to external resources, so untrusted files should be opened with macros disabled. When extracting the ZIP container, guard against decompression bombs and path traversal.

Further Reading

  • OpenDocument v1.2 specification (OASIS): https://docs.oasis-open.org/office/v1.2/OpenDocument-v1.2.html
  • OpenDocument v1.3, Part 1 Introduction: https://docs.oasis-open.org/office/OpenDocument/v1.3/OpenDocument-v1.3-part1-introduction.html