Windows 允许添加多个用户帐户以使用同一设备，使每个用户都有自己的设置、文档和应用程序。 例如，家长可以拥有自己的具有管理权限的帐户来管理设置和安装软件，而孩子可以拥有启用了家长控制的标准帐户来监视和限制其使用情况。

Occasionally, dates may become formatted and stored in cells as text. For example, you may have entered a date in a cell that was formatted as text, or the data might have been imported or pasted from an external data source as text.

When you send this meeting request with Free/Busy set to Free, the event appears at the top of each day in the recipient's Outlook calendar — a visual reminder that doesn't block any of their own work time.. Manage your availability in your calendar. By default, when you add an item to your calendar or accept an invitation from someone else, the item is marked as Busy on your calendar:

Focused Inbox. Focused Inbox helps you focus on the emails that matter most. It separates your inbox into two tabs—Focused and Other. If messages aren't sorted the way you like, you can move them and set where to deliver future messages from that sender.

An upgrade moves your PC from a previous version of Windows—such as Windows 7 or Windows 8.1—to Windows 10. An upgrade can take place on your existing device, though Microsoft recommends using Windows 10 on a new PC to take advantage of the latest features and security improvements.

Notes: To find an item in the Choose commands from list, it may be helpful to first confirm its location and name within the app. Commands that are no longer visible in the app could still be listed here under All commands.To help identify this type of command, a more descriptive tooltip name may appear in parentheses next to the legacy command name in this form:

To see if you're using the Microsoft Basic Display Adapter, select the Start button, then in the search box next to Start, type dxdiag.exe.. Choose dxdiag.exe from the list of results and then on the Display tab under Device, look at the value for Name.If there's more than one Display tab, check all of them. You can check Windows Update to see if a newer driver is available by selecting the ...

自从我们在 2018 年 10 月首次宣布“你的手机”和“你的手机助手”应用以来，这是一个令人兴奋的旅程。 从那时起，我们就开始把所有重要的功能和内容从 Android 手机带到了 Windows 电脑。

Microsoft Loop is a transformative co-creation experience that brings together teams, content and tasks across your tools and devices. Loop combines a powerful and flexible canvas with portable components that move freely and stay in sync across applications — enabling teams to think, plan, and create together.

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