CON:
This extension can be one of the following:
- Battlefield 1942 Configuration File (Electronic Arts, Inc.)
- Knowledgeware Consolidation File
- LucasArts Container File (LucasArts Entertainment Company LLC)
- Simdir Configuration File
- Trace Data File (GraphiTech Ltd.)
- Train Simulator Train/Model Identification File (Microsoft Corporation)
- Tree Professional Conifer Creator File
- Unreal 2 Audio File (Epic Games, Inc.)
- WordPerfect Document Concordance (Corel Corporation)
