从确保设备可以运行 Windows 11 到备份文件和安装 Windows 11，了解如何为 Windows 11 升级做好准备。

A workbook is a file that contains one or more worksheets to help you organize data. You can create a new workbook from a blank workbook or a template. By default, a new workbook contains three worksheets, but you can change the number of worksheets that you want a new workbook to contain. You can also add and remove worksheets as needed.

忘れた場合や紛失した場合に Windows パスワードを変更またはリセットする方法について説明します。

You can add or review changes and comments as you scroll through a document on your iPad or iPhone. When Track Changes is turned on, Word uses a unique color to mark the changes made by each author.. Manage tracked changes. Text changes appear in a different color than other text.

Get support for Microsoft apps and services. Get more with Copilot Pro Gain priority access to GPT during peak times for accelerated performance to generate answers, content, and AI images even faster.

注意: 本文重点介绍如何通过局域网（或 LAN）共享文件或文件夹，例如在家庭或工作区内连接的计算机。如果你尝试了解如何通过 Internet 共享文件，例如与朋友或家庭成员共享文件，OneDrive 提供了实现此目的的简单方法。

Probeer deze oplossingen als u zich niet kunt aanmelden bij uw Outlook.com-, Hotmail-, Live- of MSN-e-mailaccount of als u niet goed weet hoe u zich moet aan- of afmelden.

PowerPoint Viewer, a free download from Microsoft.com, enables viewing of PowerPoint presentations on computers that do not have PowerPoint installed.

Learn how to sign in and out of Microsoft Teams (free) with a Microsoft account, which you already have if you use Skype, OneDrive, Outlook.com, or Xbox Live.

Learn how to troubleshoot and fix problems connecting to the intent when setting up your Windows 10 or 11 PC.