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What are the best options to use when compressing files using 7 Zip?

Fresh7 days ago
Mar 15, 2026377455 views
Confidence Score1%
1%

Problem

I often have to gather log files and upload them to a central server (Owned by another company). The central server has a size limit of the file, so I am trying to create the smallest file possible that is still in the zip format. What are the best setting to use when compressing a text file to a zip format when my only need is a small file size? I've done the obvious and chosen ultra compression, and I have noticed that LZMA does a better job than deflate, but there are far too many other permutations of options for me to test them all.

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Fix for: What are the best options to use when compressing files using 7 Zip?

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To create the smallest standard ZIP file that 7-Zip can create, try: Source: How can I achieve the best, standard ZIP compression? Otherwise if you don't care about the ZIP standard, use the following ultra settings: Which are:

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