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Let me tell you how compression Works. In order to understand that you need to understand how Microsoft treats uncompressed data and compressed data.
Uncompressed
As expected with many small files there is a lot of overhead. Your hard disk is partitioned with a certain block size – 4KB by default for NTFS.
Each file has to allocate a multiple of 4KB, meaning no matter if you have a 1KB or a 3.5KB file, both will take 4KB of space. If you have a 13KB file it will use 16KB on your drive. The difference between “Size” and “Size on disk” is the overhead introduced by unused space in blocks, the so-called cluster tips.
Compressed
After compression “Size” is still the same as the amount of net data has not changed at all. However, compression was able to reduce the total size by about 130MB. In fact even more, because the overhead here also applies. So compression did actually save some space in that folder and that is also displayed in the folder size.
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#techxrajat #windows10 #windows11 #windowsdisplay #windowshacks #windowstricks #ntfs #ntfscompression
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