現象. 文書に文字を入力すると、入力した場所の文字列が削除されます。 原因. 上書き入力モードがオンで、キーボードの Ins キーが押されました。

Experience Microsoft Copilot on windows devices using the Copilot app! The Copilot app helps you get answers and inspiration from across the web, supports creativity and collaboration, and helps you focus on the task at hand.

Learn how to troubleshoot Windows sign in issues, including problems signing in to your Windows device after upgrading.

The TEXT function lets you change the way a number appears by applying formatting to it with format codes.It's useful in situations where you want to display numbers in a more readable format, or you want to combine numbers with text or symbols.

How to user form controls in Excel to make data entry easier.

See how to install Visio 2013 and 2016 and Visio Pro for Microsoft 365.

了解在 Windows 中查找 BitLocker 恢复密钥的不同方法，并了解如何在系统上激活 BitLocker。

You can block messages from specific email addresses or domains from reaching your inbox. When you add an email address or domain to your blocked senders list, Outlook automatically moves messages from that sender to the Junk Email folder.

Learn how to access Windows device security settings in Windows Security to help protect your device from malicious software.

Summary. Windows includes a tool called Microsoft System Information (Msinfo32.exe). This tool gathers information about your computer and displays a comprehensive view of your hardware, system components, and software environment, which you can use to diagnose computer issues.