Why can't I pay with my balance (Microsoft account)?

de
- in Xbox
2

Wanted to extend my Microsoft Office as it expired. (1 month for 7 euro, since I rarely use it and just need for school.) But why can't I pay with my balance?

Why can t I pay with my balance Microsoft account

(Xbox Prepaid Card)

Ma

Because that's a subscription.

de

Yes, it is hampered with Spotify, for example, with paysafecard