使用Microsoft 帐户登录。一个帐户。一个管理所有内容的位置。欢迎使用你的帐户仪表板。你的数据会自动同步到云，因此无论你使用什么设备，将会始终备份联系人、日历和文件。

Oct 15, 2025 · Access and manage your Microsoft account sign-ins securely.

Dec 9, 2023 · With Microsoft 365 for the web you can edit and share Word, Excel, PowerPoint, and OneNote files on your devices using a web browser.

Explore Microsoft products and services and support for your home or business. Shop Microsoft 365, Copilot, Teams, Xbox, Windows, Azure, Surface and more.

6 days ago · Use Microsoft Word for online document editing with AI-powered suggestions from Copilot for grammar, style, and clarity. Write, edit, and collaborate anywhere.

Oct 21, 2025 · The Office Deployment Tool (ODT) is a command-line tool that you can use to download and deploy Click-to-Run versions of Office, such as Microsoft 365 Apps for …

联系 Microsoft 支持人员。查找常见问题的解决方案，或从支持专员那里获取帮助。我们将首先向你显示自助选项。其他帮助也可提供，包括与 Microsoft 专家的实时聊天。

Install Microsoft 365 or Office 2024 on a PC Depending on your browser, select Run (in Microsoft Edge or Internet Explorer), Setup (in Chrome), or Save File (in Firefox). If you see the User …

If your version of Microsoft Office came with your PC, you can download or order a backup version.

2 days ago · Access and manage your Microsoft account, subscriptions, and settings all in one place.