When will xbox gift card will be added in Microsoft rewards redeem section ?

If you redeemed your rewards points for a Microsoft gift card or Xbox gift card, the balance should automatically be added to the account balance for the account that redeemed the points. They don't send you a code typically.

You would need to contact Microsoft Rewards support via the contact link at the bottom of the rewaards site to see if they have any information.

With Microsoft Rewards points? Yes. Once you redeem Xbox gift cards from the Rewards program, they're added to your Microsoft account balance which can be used on the Microsoft store.

If you have enough Microsoft reward points, then you need to redeem the reward points for Xbox/Microsoft Gift Cards on the redeem page of Microsoft rewards. Then once the gift card codes have been emailed to you, then you can redeem those gift card codes on https://account.microsoft.com/billing/redeem Once you have enough money from the Xbox Gift Cards, you can then purchase Minecraft from the Microsoft Store or Xbox Store (depending on which version you want).

So when you redeem the gift card from Microsoft Rewards, it is added to your account in your Microsoft Account balance. When you make a purchase on Xbox or the Microsoft Store app, there should be an option to use your Microsoft Account balance as a payment option.