http://valinet6l6tq6d5yohaa6gdsf2ho4qcqcxyj2nahp5kd4z7nsa6ycdqd.onion/2015/07/01/How-I-exported-my-text-messages-from-Windows-Phone-to-Android.html
This, because Microsoft doesn’t allow you to switch Microsoft accounts without wiping the phone. Just don’t ask why. Option #2 – Go to a carrier store or GSM service and ask them for help. The GSM service variant, I tried it, but they pretended money, just to like rent me a second-hand phone they were selling.