If you signed in with a MS account they are linked to that. If you sign in on another phone /PC with that account then the contracts will come with you.
If not then go to outlook.com and sign in, you can export your contacts in a variety of formats from there.
hi its the samsung S7 that i will be getting and its not released to 8th march so need to have them backed up somewhere to get them on th samsung when that arrives
just signed into outlook and can see them there, ive exported a csv file so im assuming with new phone i can import a csv file?