Windows Hello 是登录到 Windows 设备的一种更个性化、更安全的方式。 在 Windows Hello 中，你可以使用面部识别、指纹或 PIN 登录，而不是使用密码。

注: この記事では、自宅や職場内の接続されたコンピューターなど、ローカル エリア ネットワーク (または LAN) 経由でファイルまたはフォルダーを共有する方法について説明します。友人や家族などとインターネットを介してファイルを共有する方法を見つけようとしている場合、OneDrive はこれ ...

Improve your meeting organization and effectiveness with meeting notes in Teams. Add agendas, notes, and tasks that can be viewed and edited by participants directly in Teams, with the option to share and edit them in Office.com. Optimize your meeting experience by editing notes before or after the meeting from your Teams Calendar or web browser.

Learn more. Fix problems with apps from Microsoft Store. Manage your purchases from the Microsoft Store. Need more help? Contact Support. For technical support, go to Contact Microsoft Support, enter your problem and select Get Help.If you still need help, select Contact Support to be routed to the best support option.

You can use RTF when you send messages inside an organization that uses Microsoft Exchange, but we recommend that you use the HTML format. In fact, when you send an RTF message to someone outside your organization, Outlook automatically converts it to HTML, so the message keeps its formatting and its attachments.

Security Note: Outlook accepts a wide variety of different file types, but blocks potentially unsafe attachments (including .bat, .exe, .vbs, and .js files) that can contain viruses. Even with Outlook attachment protection, be careful in opening any attachment, especially if it’s from someone that you don’t know or trust.

New to Xbox gaming on PC? Here's how to get started.

Efficiency mode What is efficiency mode in Microsoft Edge? Efficiency mode is designed to help extend battery life. It minimizes power usage by reducing resource usage through modifying background tab activity and some foreground activity, as well as putting inactive background tabs to sleep after 30 minutes or less of inactivity (if Save resources with sleeping tabs is on).

Note: If you use a Manual Table of Contents style, Word won't use your headings to create a table of contents and won't be able to update it automatically. Instead, Word will use placeholder text to create the look of a table of contents so you can manually type each entry into the table of contents.

Communities help you ask and answer questions, give feedback, and hear from experts with rich knowledge.