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 It issues digital certificates, signs certificates to verify their validity and tracks which certificates have been revoked or have expired.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

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

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Learn how to manage your Microsoft 365 subscription and billing if you purchased it through a third-party retailer.

Learn how to request refunds for Xbox purchases, including eligibility requirements and the process for submitting a refund request.

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

How to create or edit your Outlook signature for email messages. Include your signature, text, images, electronic business card, and logo.

These Digital Game Purchase Refund Terms cover Microsoft Store’s digital game offers, Xbox apps (excluding movies and tv apps), digital gaming bundle offers, and digital durable and consumable gaming offers, such as game season passes, virtual currency, and microtransactions, whether made available through the Xbox console device or on your PC (collectively “Digital Game Products”) only ...

Contact Microsoft Support. Find solutions to common problems, or get help from a support agent.