.okular file: how to open it on Windows

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

• O
  Okular

  The Universal Document Viewer

  Open source 26.08.1
• O
  Okular (AppX / Portable)

  The Universal Document Viewer

  Open source 26.802.8165.0

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