If you are using windows server, data deduplication[1] is available on non-system volumes to do exactly this. If you're using a Windows client, there is a way

If you are using windows server, data deduplication[1] is available on non-system volumes to do exactly this. If you're using a Windows client, there is a way of enabling this, but it's not exactly supported, for a variety of reasons. [1]https://docs.microsoft.com/en-us/windows-server/storage/data-deduplication/overview https://docs.microsoft.com/en-us/windows-server/storage/data...