Btb.7z Here

To make the archive secure, you must use . Password: Use a strong, complex passphrase.

If you need to compress massive files or want the smallest possible size, use these settings in the dialog: Archive Format: 7z. Compression Level: Ultra (highest possible compression). BTB.7z

LZMA2 (optimal for multi-core processors) or LZMA. To make the archive secure, you must use

7z a -t7z -m0=lzma -mx=9 -mfb=64 -md=32m -ms=on -p -mhe=on BTB.7z "C:\Your\Files" Use code with caution. Copied to clipboard -mx=9 : Level 9 (Ultra) compression. -ms=on : Enable solid compression. -p : Prompts for a password (hidden typing). -mhe=on : Encrypts header (filenames). Compression Level: Ultra (highest possible compression)

For automation, scripting, or handling advanced structures, the CLI ( 7z.exe ) is best.

To customize this "deep" post for your exact needs, tell me:

Extracting compressed .zip or .7z archives with 7-Zip