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Altova DiffDog is a robust tool for comparing and synchronizing files, databases, and directories, offering a comprehensive solution for efficient data management. It supports a wide range of file types and complex data structures, ensuring precision in comparison and synchronization processes. DiffDog helps streamline data organization, minimize redundancy, and maintain clean, reliable data environments, making it an invaluable asset for managing expanding directories and ensuring data integrity.

The DiffDog 2025 Release 2 update adds deeper control for handling duplicate files across folders and subfolders. Users can now choose to automatically delete all files in a selected folder if identical copies exist elsewhere, retain only the files in a chosen folder by removing their duplicates, or remove all duplicates of a specific file to preserve a single copy. These new actions streamline cleanup tasks, reduce storage waste, and give users confidence when managing redundant files in complex directory structures.

To see a full list of what's new in version 2025 Release 2, see our release notes.

Altova DiffDog is licensed per Installed, Concurrent or Named user. Licenses are perpetual, and come with or without 1 year Support and Maintenance Package (SMP). See our Altova DiffDog licensing page for full details.

Altova DiffDog is available to buy in the following products:

• Altova DiffDog Professional Edition
• Altova DiffDog Enterprise Edition
• Altova MissionKit Professional Edition
• Altova MissionKit Enterprise Edition