This script will backup a computer’s Bitlocker key and export it as a text file.

Script:

@ECHO OFF
REM Set your backup directory
SET DIRECTORY="YOUR DIRECTORY"

REM Sets the Date
SET CURRENTDATE="%date:~4,2%%date:~7,2%%date:~10,4%"


ECHO Backing up Bitlocker Keys
ping -n 3 127.0.0.1>nul

REM Copying Bitlocker keys to a textfile
manage-bde -protectors c: -get >"%DIRECTORY%\%CURRENTDATE%_%COMPUTERNAME%.txt

CLS
ECHO DONE
ping -n 3 127.0.0.1>nul