SD card on Lumia 1520

[NawfSideWillyB]

So I've got an 64gb SD on the way and had a few questions.
Does it need to be formatted?
Is there an official app for transferring data from phone to card?
What all can I store on the card?
Can I store Xbox Music songs, apps, etc?

 

[oditius]

So I've got an 64gb SD on the way and had a few questions.
Does it need to be formatted?

<YES, it would be best>

What all can I store on the card?

<Music, Pictures, Doc's.. No apps>