.osp file: how to open it on Windows

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

• 
  OpenShot Video Editor

  An award-winning, open-source video editor

  Open source 4.0.1 397.3K ↓ ★ 6.7K
• 
  Directory Opus

  A complete replacement for Explorer, with far more power and functionality than any other file manager available today.

  Proprietary 13.25 29K ↓

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