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
: It treats multiple files as a single continuous block, which is highly effective if your report consists of many similar documents or revisions. good.7z
: 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
: 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 : If your report contains sensitive data, 7-Zip
: LZMA2 (best for modern multi-core CPUs).
: 64MB to 128MB is usually plenty for documents; higher values require significantly more RAM.