What is the 3D6 file format?
A file with the .3D6 extension is a file known as Acorn RISC OS StrongHelp. This format is associated with Rick Murray.
The reliable way to open a .3D6 file is with software that recognises this exact format, rather than guessing from the file name. If you are not sure what created a file, our file identifier can read its first bytes and name the real format, even when the file has been renamed.
We are still gathering the list of programs that open .3D6 files. A fully verified, hand-written description of this format is being prepared; until then, the details on this page are drawn directly from our database.
Format details
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