Create a custom signature block with a picture and social networking icons to add as a new signature for your email messages.

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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 It issues digital certificates, signs certificates to verify their validity and tracks which certificates have been revoked or have expired.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 more information about managing your Xbox subscriptions, issues with billing, and more.

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 The message looks common enough, and it says that money will be charged to your credit card or withdrawn from your bank account for the ...

如果您對 Xbox Series X|S 或 Xbox One 上的智慧分發運作方式有疑問，請在這裡尋找解答。

Learn how to use mobile operator billing as a payment option to buy Xbox subscriptions, games, and other content.

摘要 Email签名在业务通信中创造专业一致性，并确保收件人在每封邮件中都有你的联系信息。 在Outlook 中，可以设置多个签名， (内部与外部、个人与业务) 的不同用途，并选择是自动将其包含在新的电子邮件、答复还是转发中。 签名可以包括文本、链接、图片和图像 (，例如手写签名或徽标 ...

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

Find out how to manage members’ funds and purchases.