No official editor from Garena uses that filename. Some game modding tools (like AssetStudio or UABE ) generate .bin files for Unity games, but the prefix fg-optional-editor is .
Observing fg-optional-editor.bin in a sandboxed environment reveals consistent patterns: fg-optional-editor.bin
If you are encountering a "missing file" error during installation, it is usually because you accidentally unchecked a file (like English voiceovers) that the game requires to function, rather than an optional one like the editor. No official editor from Garena uses that filename
Here’s a deep post explaining what it is, why it exists, and the risks involved. why it exists
The fg-optional-editor.bin file is typically a harmless, compressed component of a game repack or software suite dedicated to asset editing. However, because it originates from third-party sources, caution is mandatory.