Here are the most likely causes for an unrecognized charge: A Microsoft subscription has recurring billing enabled. Someone you know, such as a family member, bought something with your card. 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 ...

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 It issues digital certificates, signs certificates to verify their validity and tracks which certificates have been revoked or have expired.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 ...

Learn how to prevent unauthorised purchases on your Xbox by creating Microsoft accounts for every person who uses that console.

Get an error message or error code when making a purchase on Xbox? Find out what they mean.

Signing your email messages with a digital ID helps to prove your identity and prevent message tampering.

Find the official Microsoft licensing terms for Xbox and gaming applications for mobile devices and iPads.

If you already had a Microsoft 365 subscription and did not purchase it from the iOS app, you can manage it at: https://account.microsoft.com/services If you ...

Learn about the benefits of using a PIN to help keep your account secure on Xbox.

Avoid and report Microsoft technical support scams Microsoft will never proactively reach out to you to provide unsolicited PC or technical support. If you receive a phone call claiming to be from Microsoft, or see a pop-up window on your PC with a fake warning message and a phone number to call and get your "issue" fixed, it's better to be safe and not click any links or provide any personal ...

Find out what to do when you receive a “Call us overprotective” message when signing in to Xbox.com.