I don't know how thorough or accurate it is, but Microsoft has a list. https://support.microsoft.com/en-us/office/differences-between-the-opendocument-text-odt

I don't know how thorough or accurate it is, but Microsoft has a list. https://support.microsoft.com/en-us/office/differences-between-the-opendocument-text-odt-format-and-the-word-docx-format-d9d51a92-56d1-4794-8b68-5efb57aebfdc https://support.microsoft.com/en-us/office/differences-betwe... The list was only a few lines the last time I looked years ago, so maybe they're actually trying to make a complete list.