| 21. | .sbig | Bitmap graphics (Santa Barbara Instruments Astronomical Image) |
| 22. | .sbk | Emu SoundFont Bank (AWE32 Bank) (Convert (c) Villena) ◊ Toolbook (Asymetrix ToolBook) |
| 23. | .sbl | Flash object (ShockWave) ◊ Library (Stonu Brook Pascal) |
| 24. | .sbn | spatial index for read-write shapefiles (ArcView) |
| 25. | .sbp | Dml program (Superbase 4) ◊ Program file (Superbase) |
| 26. | .sbq | Query definition file (Superbase) |
| 27. | .sbr | Support file (Source Browser) |
| 28. | .sbt | Notes related to record data (Suberbase 4 Windows) |
| 29. | .sbv | Form definition file (Superbase) |
| 30. | .sbx | spatial index for read-write shapefiles (ArcView) |
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