注意: 如果知道密码，但只想更改密码，请转到“account.microsoft.com 安全”选项卡，然后选择“更改我的密码”。. 如果知道用户名和密码但已停止工作，请阅读我的用户名和密码已停止工作。

Add a watermark, such as draft, confidential, or one of your own design like a company logo, to a worksheet in Exce

Learn how to access Microsoft Store on Windows by selecting the icon on the taskbar or using the search box.

2021 年 8 月公開. この記事は、PC で TPM 2.0 が有効になっていない、または PC に TPM 2.0 を実行する機能はあっても、実行するように設定されていないために Windows 11 にアップグレードできないユーザーを対象としています。

This is a subscriber-only, Microsoft 365 feature. Find your version. Design ideas for one photo Applies to: PowerPoint for Microsoft 365 Current Channel: Version 1511 or later Semi-Annual Enterprise Channel: Version 1602 or later Multiple photos, color extraction, and facial recognition

When you use the Export command and select Export to PowerPoint presentation, Word creates a presentation based on all the summarized sections of the document.It also uses AI to add imagery, icons, videos, themes, and fonts for the design theme you choose for the presentation. How it works

使用 Windows 设置应用更改桌面背景和颜色。

Learn how to connect devices in Family Safety and manage screen time, content filters, location tracking, and driving safety.

Send in your Surface. If none of the previous solutions have resolved your issue, you can send in your Surface. If you decide to send it in, go to Device service and repair and sign in with your Microsoft account. If your device is already registered, select it and follow the instructions.

Helping users safely navigate web, app, and game content is one of Microsoft’s top priorities. If you live in a region that requires permission to create an account and access Microsoft services, you may be prompted to request or give parental consent.