Find Microsoft Excel help and learning resources. Explore how-to articles, guides, training videos, and tips to efficiently use Excel.

When you delete an online-only file from your device, you delete it from your OneDrive on all devices and online. You can restore deleted files and folders from your OneDrive recycle bin on the web for up to 30 days for items stored in OneDrive personal (when you're signed in with a Microsoft account), or for up to 93 days for items stored in OneDrive for work or school or SharePoint in ...

Here are a few different ways to find help for Windows. Search for help - Enter a question or keywords in the search box on the taskbar to find apps, files, settings, and get help from the web.

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.

Learn how to download, install, and configure Language Accessory Packs for Microsoft 365 for additional display, help, and proofing tools.

提示: 可以使用任何电话号码来请求安全代码。. 电话号码不需要与你的帐户关联。. 手机不需要是智能手机，也不需要连接互联网，只需要能够接收短信。. 你可能需要创建新密码。 阅读有关如何创建强密码的提示。. 如果看到“该 Microsoft 帐户不存在”错误消息，请使用 Microsoft 帐户登录帮助程序。

Creative professionals and enthusiasts care about fully calibrated, accurate colors because it helps to make sure colors remain consistent from the beginning to the end of their projects.

If you select multiple files or folders and then select Download from Microsoft OneDrive, SharePoint in Microsoft 365, or from SharePoint Server Subscription Edition, your browser will start downloading a .zip file containing all the files and folders you selected. If you're in a folder and you select Download without selecting any files or folders, your browser will begin downloading all ...

HDR content on Windows offers better brightness and color capabilities compared to traditional content (sometimes called standard dynamic range [SDR] content).

Sign in using two-step verification or security info; Create app passwords in Security info (preview) Set up a phone call as your verification method