# where can i find .rlf robot license file **URL:** \ **Category:** Robot Controller\ **Created:** [July 24, 2019, 8:03am UTC](https://tech-community.robotics.abb.com/t/where-can-i-find-rlf-robot-license-file/8992 "2019-07-24T08:03:34Z")\ **Posts on this page:** 4\ **Page:** 1
**Author:** ![kschmid](https://dub1.discourse-cdn.com/flex005/user_avatar/tech-community.robotics.abb.com/kschmid/32/105_2.png) [@kschmid](https://tech-community.robotics.abb.com/u/kschmid)\ **Post date:** [July 24, 2019, 8:03am UTC](https://tech-community.robotics.abb.com/t/where-can-i-find-rlf-robot-license-file/8992/1 "2019-07-24T08:03:34Z")
Incredible noob question: where can i find the .rlf robot license file (not robotstudio one)? Thanks for your help ---
**Author:** ![graemepaulin](https://avatars.discourse-cdn.com/v4/letter/g/258eb7/32.png) [@graemepaulin](https://tech-community.robotics.abb.com/u/graemepaulin)\ **Post date:** [July 24, 2019, 8:36am UTC](https://tech-community.robotics.abb.com/t/where-can-i-find-rlf-robot-license-file/8992/2 "2019-07-24T08:36:03Z")
If you take a backup - it is in the BackInfo folder ---
**Author:** ![k\_schmid](https://avatars.discourse-cdn.com/v4/letter/k/a5b964/32.png) [@k\_schmid](https://tech-community.robotics.abb.com/u/k_schmid)\ **Post date:** [July 24, 2019, 11:13am UTC](https://tech-community.robotics.abb.com/t/where-can-i-find-rlf-robot-license-file/8992/3 "2019-07-24T11:13:36Z")
Ah interesting, that is when backing up the system from the robot itself? I mean rather than the simulation only? And then I have to load it in robotstudo? ---
**Author:** ![kschmid](https://dub1.discourse-cdn.com/flex005/user_avatar/tech-community.robotics.abb.com/kschmid/32/105_2.png) [@kschmid](https://tech-community.robotics.abb.com/u/kschmid)\ **Post date:** [July 25, 2019, 12:04am UTC](https://tech-community.robotics.abb.com/t/where-can-i-find-rlf-robot-license-file/8992/4 "2019-07-25T00:04:55Z")
Is adding the robot serial number in controller \> motion important?