.xxt file: how to open it on Windows

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

• Q
  QuarkXPress 2025

  Desktop publishing and page layout software.

  Proprietary 21.1.2.0
• Q
  QuarkXPress

  Desktop publishing and page layout software.

  Proprietary 22.0.1.0

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