Microsoft Typography | Developer information | Specifications | OpenType specification


OpenType specification

The OpenType TM specification has been formatted in HTML, but may link to .PDF or document in Microsoft Word format. Some of the files are large so you may prefer to download the self extracting archive.

An updated version, OpenType 1.6, has now been posted.


OpenType specification version 1.4

self extracting archive [about 1.5Mb]

Appendices


OpenType version 1.4 has been contributed to ISO and became the foundation for the development of ISO/IEC 14496-22 "Open Font Format" standard. The standard was published in 2007, and is now freely available for download from ITTF website.



this page was last updated 17 November 2008
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Microsoft Typography | Developer information | Specifications | OpenType specification