Open 3D6 file

3D6 files: what are they and how do I open them?

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Acorn RISC OS StrongHelp data file

A 3d6 file extension is related to the Acorn RISC OS StrongHelp data format.

Further details:

It is, under RISC OS, a "StrongHelp file" which is an image consisting of a number of data files (RISC OS's hooks make doing this sort of thing possible - a single "file" becomes a virtual filing system that contains files). Anyway, StrongHelp was designed to provide marked-up online help in the days before anybody knew what HTML meant.

Open file with:


A help system for RiscOS

What is the meaning of a file extension?

File extensions are characters that appear after the dot in a computer file's name. For example, the file "unknown-file.3d6" has the file extension "3d6". This is used to identify which program should open the file or what file type it is.
File extensions help you organize and manage files. They provide a quick and easy way to identify and associate the file type with the appropriate software.

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In our database, we have collected a huge number of different file extensions, detailed descriptions, and programs that can be used to open or otherwise work with the file extensions listed in our database.
This database is an invaluable resource for users who want to understand better file extensions and what they can do with them. It also allows users to know different file types with the same purpose.

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