| File Extension: | 4FI |
| File Type Description: | 4th Dimension Insider File |
| File Type Developer: | 4D, Inc |
| Primary Associated Software: | 4D SQL |
| Primary Software Developer: | 4D, Inc |
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4th Dimension Insider File files are the most popular type of files to carry the 4FI file extension, originally developed by 4D, Inc for 4D SQL. Annoymous user data statistics infer that 4FI files are most popular in China and with those using Windows 10 devices. A high percentage of these users browse the web using Google Chrome.
| Windows 10 | Windows 11 | Windows 6 | Windows 8.1 |
 | Windows |
 | Mac OS 9 |
| Extension | File Type Developer | File Category | File Type Description |
|---|---|---|---|
| .4LB | 4D, Inc | Data Files | 4D Label Editor Data |
| .4DD | 4D, Inc | Database Files | 4th Dimension Database Data File |
| .4VR | 4D, Inc | Data Files | 4th Dimension Database Windows Saved Variable |
| .4DA | 4D, Inc | Database Files | 4th Dimension Database Data File |
| .PTH | 4D, Inc | Uncommon Files | 4D Path Document |
| .4ST | 4D, Inc | Database Files | 4th Dimension Database Data File |
| .TFR | LucasArts Entertainment Company, LLC | Game Files | TIE Fighter Pilot File |
| .4DR | 4D, Inc | Data Files | 4th Dimension Data Resource File |
| .GOD | 4D, Inc | Game Files | Gore Game Data File |
| .4DS | 4D, Inc | Data Files | 4th Dimension Database Windows Data Segment |
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