Just Solve the File Format Problem:General disclaimer

• Nobody who contributes here can ensure beyond a reasonable doubt that you will be able to use or convert to/from a given format.
• We just document the mess, we didn't make it (except those of us who did; you know who you are).
• Documentation is always incomplete and the real world changes quickly, and that goes double for file formats.
• If your favourite piece of knowledge about an obscure format is missing, it is because you didn't add it yet.
• Keep backups!