Learn how to sign in and create app passwords for Microsoft apps and devices that don't support two-step verification.

Find everything you need to manage your Microsoft account, Xbox profile, and more.

In certain countries and regions, mobile operator billing can be used as a payment option to buy subscriptions like Game Pass and content such as games, apps, music, HD movies, and TV shows on your Xbox console and Xbox.com.

Xbox Support ... Xbox Support

Certificate authority (CA) A certificate authority is an entity similar to a notary public. It issues digital certificates, signs certificates to verify their validity and tracks which certificates have been revoked or have expired. Top of Page Digital signature assurances The following terms and definitions show what assurances are provided by digital signatures. Authenticity The signer is ...

You can now investigate this on the Manage your payments page. A previously declined charge was charged again. A pre-order or split order was shipped. Someone made an in-app purchase from an app, game, or office. Note: Purchases made in Candy Crush may show as MICROSOFT*CANDY CRUSH. Contact King support in the app or at community.king.com.

About digital signatures and certificates in Office, and buying a digital certificate from a certificate authority or create your own.

In the Microsoft Store app: Close the Store app and reopen it, then try your purchase again. If that doesn't work, try to make your purchase from the Store using a web browser.

Important: You don't need to remove old security information unless there is an account security risk (e.g. someone else has access to your old mailbox). If you do need to replace your security information, make sure you add new information first. If you request removal of all security information in your account, the account is put into a restricted state for 30-days. Your information doesn't ...

Registering a device gives your phone access to your organization's services but doesn't allow your organization access to your phone. If you're an administrator, you can find more information in Configure and enable users for SMS-based authentication. If your organization hasn't made SMS sign-in available, you won't see an option for it when registering a phone with your account. When you ...