Licences and attribution

The content of The Handbook of Excel Functions — prose (including content/), generated pages, plates, data projections (data/), and test-vector suites (vectors/) — is licensed under the Creative Commons Attribution 4.0 International License (CC BY 4.0).

You are free to share and adapt this material for any purpose, including commercially, provided you give appropriate credit to "The Handbook of Excel Functions (DNA Kode)", link to the license, and indicate if changes were made.

License text: https://creativecommons.org/licenses/by/4.0/

Code in this repository (tools/, implementations/, tests/, and other source code) is licensed separately under the MIT license — see LICENSE.md.

Microsoft, Excel, and related marks are trademarks of Microsoft Corporation. This project is not affiliated with or endorsed by Microsoft. Official documentation is linked; where the Handbook reproduces Microsoft's own text (the official one-line function descriptions in English and in 40 languages, and short quotations on function pages), that text is Microsoft's, copyright Microsoft Corporation, attributed with its source URL, and not covered by the CC BY 4.0 licence above. data/README.md lists the fields that hold it.

Code: MIT

MIT License

Copyright (c) 2026 DNA Kode

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The above copyright notice and this permission notice shall be included in all copies or substantial portions of the Software.

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