.kgrp file: how to open it on Windows

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

• G
  Gpg4win

  A secure solution for file and email encryption.

  Open source 5.1.1
• G
  Gpg4win (Beta)

  A secure solution for file and email encryption.

  Open source 5.0.0-beta395

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