In the upper left corner of the window, select the app launcher > All apps > SharePoint Tip: If you don't see the SharePoint app under All apps, use the Search box near the top of the window to search for SharePoint.

Excel でテキスト ファイルを開いてインポートする. 別のプログラムで作成したテキスト ファイルを Excel ブックとして開くには、[ 開く] コマンドを使用します。Excel でテキスト ファイルを開くと、ファイルの形式は変更されません。

了解如何升级Windows 10 家庭版Windows 10 专业版访问更高级的安全性和网络功能。

To save time on tasks you do often, bundle the steps into a macro. First, you record the macro. Then you can run the macro by clicking a button on the Quick Access Toolbar or pressing a combination of keys.

On another Windows PC or other device, connect to Wi-Fi as you normally would, and enter your Wi-Fi password when prompted. For more info about connecting to Wi-Fi, see Connect to a Wi-Fi network in Windows.

If you've recently installed a Windows update and you are having a problem, here's how to uninstall the update to try to resolve the issue: Select the Start button, then select Settings > Update & Security > Windows Update > View update history > Uninstall updates. View update history settings

Select Review activity to check for any unusual sign-in attempts on the Recent activity page.If you see account activity that you're sure wasn't yours, let us know and we can help secure your account—if it's in the Unusual activity section, you can expand the activity and select This wasn't me.If it's in the Recent activity section, you can expand the activity and select Secure your account.

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。

Going passwordless refers to removing your password and using a passwordless method to sign in instead. Passwordless solutions such as Windows Hello, the Microsoft Authenticator app, SMS or Email codes, and physical security keys provide a more secure and convenient sign-in method. While passwords can be guessed, stolen, or phished, only you can provide fingerprint authentication, or provide ...

Protect your most important files, like your passport, driver’s license, or insurance information with OneDrive Personal Vault. Start using Personal Vault. Meet Microsoft Defender. Protect your digital life and all of your devices - Windows, Mac, iOS, or Android - so you and your family can have more peace of mind.