Microsoft Mobile Device Support Links
UT Tyler Office of Information Security
Listed below are links to the Microsoft support sites listing steps you need to perform to protect the data that resides on your Windows Phone.
How to backup your device
https://support.microsoft.com/en-us/help/11688/windows-phone-back-up-my-stuff
Require a passcode, or change passcode settings
https://support.microsoft.com/en-us/help/12372/windows-10-mobile-phone-lock-screen-faq