: 64MB to 128MB is usually plenty for documents; higher values require significantly more RAM.
: For text-heavy reports and documents, .7z with the LZMA2 algorithm can often shrink files to a fraction of their original size, far outperforming ZIP.
The format (used by 7-Zip ) is widely considered one of the best choices for archiving a "long report" or large document sets because it typically achieves a significantly higher compression ratio than standard ZIP files. Why .7z is "Good" for Reports good.7z
If your goal is the absolute smallest file size for a long report, use these settings in the 7-Zip "Add to Archive" dialog : : 7z. Compression level : Ultra.
: It treats multiple files as a single continuous block, which is highly effective if your report consists of many similar documents or revisions. : 64MB to 128MB is usually plenty for
: If your report contains sensitive data, 7-Zip offers strong AES-256 encryption , which can also hide filenames within the archive. Recommended Settings for Maximum Reduction
: LZMA2 (best for modern multi-core CPUs). : If your report contains sensitive data, 7-Zip
: Solid (this helps if you are archiving many related documents). Does 7z compress better than zip? - Microsoft Community Hub