| File Extension: | OFS |
| File Type Description: | OptimFROG Dualstream Data |
| File Type Developer: | Florin Ghido |
| Primary Associated Software: | Nullsoft Winamp |
| Primary Software Developer: | Nullsoft |
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Release of the Nullsoft Winamp software program prompted the development of the OptimFROG Dualstream Data file type by Nullsoft. Annoymous user data statistics infer that OFS files are most popular in United States and with those using Windows 10 devices. A majority of people seeking info on OFS files are using the Google Chrome browser.
 | Nullsoft Winamp by Nullsoft |
| Windows 10 | Windows 11 | Windows 6 | Windows 8.1 |
 | Windows |
 | Mac |
 | Android |
| Extension | File Type Developer | File Category | File Type Description |
|---|---|---|---|
| .IMF | id Software | Audio Files | Id Music File |
| .ACM | BioWare | Audio Files | Interplay Audio File |
| .LA | Open Source | Audio Files | Lossless Audio File |
| .MPC | Open Source | Audio Files | Musepack Compressed Audio File |
| .WPL | Microsoft Corporation | Video Files | Windows Media Player Playlist |
| .BAM | Broad Institute | Audio Files | Bob's Adlib Music File Format |
| .NST | Microsoft Corporation | Data Files | Outlook Connector For Notes File |
| .MIDI | Synthesia LLC | Audio Files | MIDI File |
| .S3M | FMJ-Software | Audio Files | S3M |
| .S3Z | Future Crew | Audio Files | Compressed Scream Tracker 3 Module |
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