Celeb Glow
news | February 28, 2026

Why is 7-Zip better than the Windows 10 default file compressor? [closed]

7-Zip is significantly faster than Windows 10 at compressing files, it is more effective (smaller outputs), and is better at estimating time to completion/progress.

How can it be that with all of Microsoft's infrastructure they have a very visible, mediocre algorithm in their newest main product?

1 Answer

Because the builtin version is "good enough" for most people, and uses a standard algorithm and encoding that basically any Windows based computer > Windows95 computer can understand.

Those that need better compression can get a dedicated compression tool.

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