net stop osppsvc Copy the following folder to a USB or secure backup:
HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\OfficeSoftwareProtectionPlatform Export this key (contains encrypted product key): backup office 2013 license
C:\ProgramData\Microsoft\OfficeSoftwareProtectionPlatform\tokens.dat Also back up this registry key (optional but safe): net stop osppsvc Copy the following folder to