| File Extension: | OV3 |
| File Type Description: | DOS Overlay File |
| File Type Developer: | Microsoft Corporation |
| Primary Associated Software: | MS-DOS |
| Primary Software Developer: | Microsoft Corporation |
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OV3 files are a type of DOS Overlay File developed for MS-DOS by Microsoft Corporation. Data from our web servers (annonymous users) show that OV3 files are most popular in China and are often used by Windows 10. Most of these users are running the Google Chrome web browser.
 | MS-DOS by Microsoft Corporation |
| Windows 10 | Windows 11 | Windows 6 | Windows 8.1 |
 | Windows |
| Extension | File Type Developer | File Category | File Type Description |
|---|---|---|---|
| .II | Axialis Company | Data Files | IconWorkshop Extended Information File |
| .LACCDB | Microsoft Corporation | Page Layout Files | Microsoft Access Lock File |
| .FP | FileMaker Inc. | Spreadsheet Files | FileMaker Pro Spreadsheet |
| .VRT | Superscape | Web Files | Virtual World |
| .CMD | Microsoft Corporation | Executable Files | Windows Command File |
| .P10 | Open Source | Uncommon Files | Certificate Request File |
| .XSB | Microsoft Corporation | Audio Files | XACT Sound Bank |
| .MDT | Microsoft Corporation | Data Files | Microsoft Access Data File |
| .GLB | Analytical Graphics | GIS Files | STK Globe File |
| .MPT | Microsoft Corporation | Data Files | Microsoft Project Template |
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