.jpt file: how to open it on Windows

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

• 
  XnView MP

  Professional Image Viewer & Photo Management

  Proprietary 1.12.2.0 436.9K ↓
• S
  StereoPhoto Maker

  Create and manage stereoscopic images for Nintendo 3DS, 3D TVs and screens, and 3D photo cameras.

  Free 6.41

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