.rtp file: how to open it on Windows

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

• 
  Wireshark

  The world's most popular network protocol analyser.

  Open source 4.6.9 6.6M ↓
• 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