The full path (including the file name) is too long. The path must contain fewer than 442 characters. Shorten the name of your file or the name of subfolders in OneDrive, or select a subfolder that's closer to the top-level folder, and then try to upload the file again.

Tip: Outlook.com allows you to have multiple email addresses associated with a single account, and you can choose which email address you send mail from. Creating alternate addresses to use on websites or apps that force you to register can help keep your personal email address out of the hands of marketers and hackers.

If you've received any reactions in the previous day or so, you'll get a digest email that summarizes the reactions you've received. You can unsubscribe from the digest email if you'd prefer not to receive it.

了解如何将 SharePoint 文件同步到计算机，或如何在不使用 Office 365 时同步 OneDrive for Business 文件。

Note: If a compatibility issue has been identified on your device that would disrupt your experience using Windows 11, we will temporarily delay your upgrade until the issue is resolved.Compatibility safeguard holds help ensure you have the best experience possible when upgrading and your productivity is not disrupted if critical apps or drivers are not yet compatible.

If you get an email about unusual activity on your Microsoft account, or if you’re worried that someone else might have used your account, go to the Recent activity page.You’ll see when your Microsoft account was signed in during the last 30 days, along with any device or app-specific info.

哪些设备支持跨设备复制和粘贴？ 运行 One UI 版本 2.1 或更高版本的 Surface Duo 和 Android 设备支持跨设备复制和粘贴，或者选择“荣耀设备” (1.22036.14.0 或更高版本) 或 OPPO 设备 (1.23093.0 或更高版本) 或选择 ASUS 设备。

Learn how to tell if your Office software is genuine. To help determine if your Microsoft software is genuine, go to our How to Tell site for more information. Here you'll learn about authentic packaging, including what to look for with product key labels, and Certificate of Authenticity (COA), how to report counterfeit software, and find out what your shopping and licensing options are.

Select your profile picture at the top right of Teams. When your account manager opens, select your profile picture again.

Learn how to use voice access for accessibility. This page includes accessibility help articles for people who use Windows voice access to control their PC and author text using their voice.