On May 1st, 2005, the Open Document Format (ODF) become an OASIS standard. One year after, it became an ISO/IEC standard. After two decades, it is the only true open standard for document formats available on the market, and the only one protecting users from proprietary lock in and ensuring a full control over contents. The presentation provides an overview over ODF features and explains why ODF should be used versus Microsoft OOXML (DOCX, XLSX and PPTX).…
Category: Open Document Format
Celebrating 20 Years of the OASIS Open Document Format (ODF) Standard
A Milestone for Open Document Formats and Digital Sovereignty
Berlin, 1 May 2025 – Today, The Document Foundation joins the open source software and open standards community in celebrating the 20th anniversary of the ratification of the Open Document Format (ODF) as an OASIS standard. Two decades after its approval in 2005, ODF is the only open standard for office documents, promoting digital independence, interoperability and content transparency worldwide.…
Germany committing to ODF and open document standards

Digital sovereignty is of vital importance for data freedom. If governments and organisations use proprietary or pseudo-standard formats, they limit the tools that citizens can use to access data.
So we’re happy to see that the IT Planning Council in Germany is committing to move to the Open Document Format – a fully standardised format (and the default used in LibreOffice).…
Celebrating Document Freedom Day
Why Document Freedom Day Matters More Than Ever
Every year, Document Freedom Day reminds us of a simple but powerful idea: we should have control over our own data. Not just where we store it, but how we access it, share it, and keep it usable for years to come. At the heart of that is the concept of open standards, file formats that anyone can read, use, and build on without restrictions.…
REMINDER: Document Freedom Day @ LibreOffice
Next Wednesday, on March 26, we will celebrate Document Freedom Day 2025. During the day, we will mainly talk about the ISO Open Document Format, which was approved in 2005 by OASIS and in 2006 by ISO. Due to the global scale of the LibreOffice project, our events will be online.
There will be three webinars at 10:30 CET, 15:30 CET and 20:30 CET, with a presentation on the history of ODF and the great importance of the standard document format for digital sovereignty.…
Document Freedom Day: Empowering the Digital World with Open Standards
Every year, on the last Wednesday of March, advocates of free and open technologies come together to celebrate Document Freedom Day (DFD). In 2025, the Document Freedom Day will happen on March 26, and will be driven by the LibreOffice community.
Today, Document Freedom Day – together with Software Freedom Day (SFD, celebrated in September) and Hardware Freedom Day (HFD, celebrated in April) – is coordinated by the Digital Freedom Foundation (DFF).…


