.osf file: how to open it on Windows

2 Windows apps register the .osf extension. Install one of them to open the file with a double-click.

• 
  UVtools

  MSLA/DLP, file analysis, calibration, repair, conversion and manipulation

  Open source 7.1.1 30.1K ↓ ★ 1.6K
• S
  Sublime Text 4

  Sublime is a sophisticated cross-platform text editor for code, markup and prose.

  Proprietary 4.0.0.421500

Related guide: Change the default app for a file type in Windows