: If you are a developer looking to modify the contents of the bin file itself, you would need a Hex Editor like HxF or XVI32 to view the raw binary data.
Users often face "Bad File" or "Missing File" errors when they try to manually tinker with these files. An official "Editor" would prevent these errors by safely re-compressing or re-indexing the assets so the main setup.exe still recognizes them as valid. fg-optional-editor.bin