Alternate command key. What it does. Help. Opens the Help system (if any) for the active window. Undo. Cancels the previous action. Redo. Cancels the previous Undo action.

At Microsoft, we're guided by our AI principles, our Responsible AI Standard, and decades of research on AI, grounding, and privacy-preserving machine learning.Data privacy and security is a key principle of responsible AI. We aim to help our customers use our AI products responsibly, sharing our learnings, and building trust-based partnerships.

Tip: To change where your application automatically saves your templates, click File > Options > Save and type the folder and path you want to use in the Default personal templates location box. Any new templates you save will be stored in that folder, and when you click File > New > Personal, you'll see the templates in that folder.

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使用 vlookup、hlookup 和其他函数（如 index 和 match）根据您输入的值搜索和查找数据。 本文将让您快速回顾 vlookup，然后链接到更多内容。

Try it! Discover your Outlook inbox for the first time and see how everything's organized. Overview of Outlook layout. Folders are available in the Folder Pane.

Add an interactive checklist. Checklist is a feature that allows you to insert an interactive list in Word for Web. You can check and uncheck the checklist and keep track of the tasks that you are performing.

Published August 2021. This article is intended for users who are not able to upgrade to Windows 11 because their PC is not currently Secure Boot capable.

要約. この更新プログラムは、実行中の PC 上の Windows Recovery Environment (WinRE) に安全な OS 動的更新プログラム を自動的に適用し、攻撃者が WinRE を使用して BitLocker 暗号化をバイパスできる可能性のあるセキュリティの脆弱性に対処します。 詳細については、「CVE-2024-20666」を参照してください。

When you back up your files, apps, and settings in the cloud using your Microsoft account, you get 5 GB of free cloud storage and other benefits that protect your files with the latest security and make everyday tasks easier.