JDiskReport
If duplicate files aren't an issue on your PC and you're still struggling for space, check out JDiskReport. This utility lets you understand how much space is being consumed by which file types. We managed to free up over 4GB of space in one sitting after we spotted a little-used but space-intensive application.
JDiskReport also shows you when files were last modified, how large they are, and a graph that shows what percentage of files are .mp3s, .jpgs, etc. You also get a top 100 list of the largest files, least modified and most recently used. It's invaluable stuff.
Download it here.
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