If you have Office 2007, Skype for Business 2016 won't be fully integrated with your Office programs. For example, you won't see the presence of your co-workers when you type an email in Outlook (by "presence" I mean you won't see whether they're available, busy, or away), and you won't have a few other features.

提示: 可以使用任何电话号码来请求安全代码。. 电话号码不需要与你的帐户关联。. 手机不需要是智能手机，也不需要连接互联网，只需要能够接收短信。. 你可能需要创建新密码。 阅读有关如何创建强密码的提示。. 如果看到“该 Microsoft 帐户不存在”错误消息，请使用 Microsoft 帐户登录帮助程序。

Press and hold (or right-click) the MP4 file you want to play, select Open with, and then choose your preferred file player from the list of applications.

可通过两种方法在 Android 手机或平板电脑上获取 Office： 可以安装将 Word、Excel 和 PowerPoint 组合到单个应用中的新 Office 移动应用，并引入以移动为中心的新功能来查看、编辑和共享文件，而无需在多个应用之间切换。

了解如何为 Xbox 设备获取服务。 如果已注册了设备，请登录到设备服务页，以查看该设备的保修状态。

Windows 8.1 Update and Windows RT 8.1 Update (also known as KB 2919355) include improvements that make your favorite apps and settings easier to find and use, provide more familiar mouse and keyboard options, and update security and performance.Here’s what you need to know about installing this important update. Check to see if it’s already installed

Click System and Security > System.. On the View basic information about your computer page, see the Full computer name under the section Computer name, domain, and workgroup settings.

Notes: If your plan is to associate the new team site with a SharePoint hub site, you can streamline the process by first navigating to the hub site and clicking the Create site link in the top right corner there. The new team site will automatically be associated with that hub site. If you don't see the + Create site link, self-service site creation may be disabled in SharePoint.

Windows Hello. Windows Hello 可讓您使用您的臉部、虹膜、指紋或 PIN，登入您的裝置、應用程式、線上服務和網路。 即使您的 Windows 裝置可以使用 Windows Hello 生物識別技術，您也能選擇不使用。

لا، لا يمكنك تغيير اشتراك Skype أو تغيير اشتراكك إلى رصيد Skype. ومع ذلك، قد تتمكن من إلغاء اشتراكك وشراء اشتراك جديد.. إذا كان لديك أكثر من اشتراك واحد، فإن Skype يستخدم هذه الاشتراكات وفقًا للترتيب التالي: