It's not a standard in the sense of an ISO-style organization approval, but RTF has been thorougly documented by Microsoft for a very long time. [0] [0] https:

It's not a standard in the sense of an ISO-style organization approval, but RTF has been thorougly documented by Microsoft for a very long time. [0] [0] https://interoperability.blob.core.windows.net/files/Archive_References/%5bMSFT-RTF%5d.pdf https://interoperability.blob.core.windows.net/files/Archive...