Question on the Gear s2 and the Microsoft Band 2

[bksalt]

On thur the 22nd I am receiving a galaxy gear s2 to pair with my galaxy s6 which I have been useing with my Microsoft Band 2. I have desided to go with the gear s2 with the galaxy s6. My question is I have been using the Microsoft band1 than the band2 and I have about 3 years of statistics, is it possible to sync the gear 2 software with the Microsoft health app to work together? Second question can I use both the band2 and the gear2 both on the s6 or will they conflict with each other if they don't sync together?

thank you in advance :-