.dirdif file: how to open it on Windows

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

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  Altova DiffDog 2025 Enterprise Edition

  Compare and Merge Tool

  Proprietary 2025.02.00.01
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  Altova DiffDog 2025 Professional Edition

  Compare and Merge Tool

  Proprietary 2025.02.00.01
• A
  Altova DiffDog 2026 Enterprise Edition

  Compare and Merge Tool

  Proprietary 2026.02.00
• A
  Altova DiffDog 2026 Professional Edition

  Compare and Merge Tool

  Proprietary 2026.02.00
• A
  Altova DiffDog 2023 Enterprise Edition

  Compare and Merge Tool

  Proprietary 2023.02.00.02
• A
  Altova DiffDog 2023 Professional Edition

  Compare and Merge Tool

  Proprietary 2023.02.00.02
• A
  Altova DiffDog 2024 Enterprise Edition

  Compare and Merge Tool

  Proprietary 2024.02.01
• A
  Altova DiffDog 2024 Professional Edition

  Compare and Merge Tool

  Proprietary 2024.02.01

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