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. 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. If your goal is the absolute smallest file

: LZMA2 (best for modern multi-core CPUs). good.7z