How does it compare to 7z (the file format) though?

It’ll unpack everything

Packing / unpacking: 7z, XZ, BZIP2, GZIP, TAR, ZIP and WIM Unpacking only: APFS, AR, ARJ, CAB, CHM, CPIO, CramFS, DMG, EXT, FAT, GPT, HFS, IHEX, ISO, LZH, LZMA, MBR, MSI, NSIS, NTFS, QCOW2, RAR, RPM, SquashFS, UDF, UEFI, VDI, VHD, VHDX, VMDK, XAR and Z.

https://www.7-zip.org/

It’s a lockbox that is mounted near the door that contains a key to said door or an override used by emergency services such as the fire department. The boxes are all keyed the same.

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