How to add a signature to your Word documents. You can also use the Signature Line command in Word to insert a line to show where to sign a document.

手写签名可让你的文档具有个人风格。 你可以扫描你的签名，将其存储为图片，然后在 Word 文档中插入签名。 扫描手写签名并插入手写签名的图片 在纸张上写下您的签名。 扫描该页面并以常见的文件格式将其保存在计算机上：.bmp、.gif、.jpg 或 .png。

Starting in April 2026, social clubs on Xbox will no longer be available. Learn about alternatives for connecting, sharing content, and coordinating with other players.

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

A popular tactic of criminals is the "fake order" scam. The way it works is that you get a message, usually in email or text, that appears to be a routine confirmation for an order. Of course, you never ordered whatever product or service it's confirming. The message looks common enough, and it says that money will be charged to your credit card or withdrawn from your bank account for the ...

Check the Xbox services, games, and apps for any service outages.

See how to view the details for signatures and certificates.

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 It issues digital certificates, signs certificates to verify their validity and tracks which certificates have been revoked or have expired.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

Find out how to submit a request for a refund for a purchase of digital Xbox content.

瞭解如何在行動裝置、Windows 裝置或 Xbox 主機上兌換 Microsoft/Xbox 禮品卡或其他代碼。