Modern Windows 11 builds (23493 and later) can extract 7z files natively without extra software.
If you encounter a "Data Error" during extraction, try restarting your PC or using a repair tool like Wondershare Recoverit . 3. Splitting Large Archives fagroup.7z
Right-click your files, select 7-Zip > Add to archive... , and set the Compression level to Ultra . 2. Managing Extraction for Large Files Modern Windows 11 builds (23493 and later) can
Extracting large 7z archives ("long features") can sometimes take hours if they contain millions of small files. select 7-Zip > Add to archive...