Learn how to use function VLOOKUP in Excel to find data in a table or range by row. Our step-by-step guide makes vlookup in excel easy and efficient.

If you have turned on passwordless, two-step, or multi-factor authentication for your account, use the following steps to sign-in:

Learn how to install, reinstall, or activate Microsoft 365 or Office 2019 on a PC or Mac.

Safe mode starts Windows in a basic state, using a limited set of files and drivers. If a problem doesn't happen in safe mode, this means that default settings and basic device drivers aren't causing the issue. Observing Windows in safe mode enables you to narrow down the source of a problem, and can help you troubleshoot problems on your PC.

You can add an input language in Settings. Adding an input language lets you set a language-preference order for websites and apps. It also lets you change your keyboard language.

An upgrade differs from an update in that it moves your PC from a previous version of Windows—such as Windows 10—to Windows 11. This FAQ is intended to answer questions about upgrading to Windows 11.

选择 "开始 "，然后选择 "Power > 休眠" 。. 按键盘Windows徽标键 + X，然后选择"关闭"或注销 ">休眠" 。. 注意: 如果连接到电脑的设备（例如显示器、打印机或扫描仪）在从睡眠状态或休眠状态唤醒后不能正确工作，你可能需要先断开设备连接并重新连接或重新启动 ...

Learn how to record Teams meeting. Capture audio, video, screen sharing activity, and troubleshoot recordings in Microsoft Teams.

Open Control Panel in Windows. Windows 10. In the search box next to Start on the taskbar, type control panel. Select Control Panel from the list of results. Note: Many Control Panel features are simpler and faster in Settings . Open Settings.

Depending on your product and if it's still in support, Microsoft support experts are available to help you with a broad selection of support options and able to address product and service challenges for a more personalized experience.