Windows macOS 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并将其存储为图片，以便插入文档中。 您也可以 插入签名行 来指示签名位置。 创建和插入手写签名 您需要扫描仪来执行此操作。 在纸张上写下您的签名。 扫描页面，并将其以通用文件格式保存在计算机上：.bmp、.jpg 或 .png ...

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 The message looks common enough, and it says that money will be charged to your credit card or withdrawn from your bank account for the ...

如何變更玩家代號？ 我們已將新的 Xbox 玩家代號更新為支援最多 12 個字元的 Unicode 玩家自選名稱，而此名稱還會在您分享玩家代號時加上自動產生的尾碼。 我們為玩家提供 13 個不同的字母系統，支援全球超過 200 種語言。

Learn how to cancel Xbox subscriptions, manage recurring billing, and stop future charges while retaining benefits until the subscription expires.

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

获取与管理你的 Xbox 订阅、帐单问题等有关的详细信息。

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

Get more information about managing your Xbox subscriptions, issues with billing, and more.

Phishing (pronounced: fishing) is an attack that attempts to steal your money, or your identity, by getting you to reveal personal information -- such as credit card numbers, bank information, or passwords -- on websites that pretend to be legitimate. Cybercriminals typically pretend to be reputable companies, friends, or acquaintances in a fake message, which contains a link to a phishing ...

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