Fagroup.7z

For the fastest extraction, use the official 7-Zip client . Right-click the file and select Extract Files... to choose a specific destination.

7z a -mx=9 -mfb=273 -ms=on fagroup.7z -mx=9 : Sets level to "Ultra". -mfb=273 : Maximum number of fast bytes for LZMA. fagroup.7z

Modern Windows 11 builds (23493 and later) can extract 7z files natively without extra software. For the fastest extraction, use the official 7-Zip client

Extracting large 7z archives ("long features") can sometimes take hours if they contain millions of small files. For the fastest extraction

Right-click your files, select 7-Zip > Add to archive... , and set the Compression level to Ultra . 2. Managing Extraction for Large Files