How to clean a bios with an EXTR bin from the Repo

I am working on a bios that has an ME version The only file in the repo is and EXTR file ( Do I use the cleanup guide with the EXTR file?

For Apple systems you can use while cleaning. Most of the Slim CSME 11 firmware are from stock Apple SPI/BIOS images so they are “clean” (configured-only) EXTR without Initialization Data.