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

为帮助消除困惑或误解，我们解答了有关强制措施如何影响你在 Xbox 网络上玩游戏的一些最常见问题。

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

Use a ready signature template from a gallery to create your email signature in Outlook.

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 ...

例如，某些 Xbox 订阅可以通过兑换数字代码或礼品卡来延期，最长延期限制如下：

If you have a Surface or Xbox, you can use your Microsoft account to check its warranty and make warranty claims. Your new Surface or Surface-branded accessory comes with a limited standard warranty. For more warranty details, see Warranty and Protection Plan Terms & Conditions. How to register your Microsoft device for warranty and service Before you can check your warranty or get service ...

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

Within your Office apps you can easily access free, pre-built templates with useful and creative themes. These are immediately available when you click File > New Templates are provided for calendars, business cards, letters, cards, brochures, newsletters, resumes, cover letters, presentations, social media and much more. You can use these templates "as-is" customize them to meet your needs ...

注意: 请注意，Surface 商业设备的支持案例只能 联机 启动。 对于批量许可支持，请打开Microsoft 365 管理中心，选择“ 帮助 & 支持 ”，并搜索“管理批量许可”或提交 联机支持请求。 请不要忘记包括你的许可证 ID 或协议编号、你的联系人电话号码 & 电子邮件地址，以便我们可以联系你。 如果已有 ...