What is the X80 file format?
A file with the .X80 extension is a file known as Xtree Gold Dos Help. This format is associated with Jeffrey C Johnson (XTree Company).
The reliable way to open a .X80 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 .X80 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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