Searching for "NTBOOT7Z" often leads to discussions and guides related to Windows installation and boot management tools
title Boot Win10 from 7z
find --set-root /win10.7z
ntboot7z /win10.7z
boot
Registry Explorer (Eric Zimmerman): To parse extracted hives from the archive. ntboot7z
menuentry "Windows 11 ISO (NTBoot7z)"
insmod part_gpt
insmod ntfs
set root=(hd0,gpt1)
ntboot7z --efi=(hd0,gpt1)/EFI/ntboot7z.efi iso=(hd0,gpt1)/isos/win11.iso