How to redeem Microsoft Rewards points - Microsoft Support
I don't see the Microsoft Rewards gift card I want. Some gift cards aren’t always available through Microsoft Rewards - check back often! In the meantime, there are always great apps, movies, games, sweepstakes, and more available - all from Microsoft. Explore the Redeem page to see what’s available now.
Applies To:
Microsoft account dashboard
从 Microsoft Store 应用重新安装 Office - Microsoft 支持
Windows 设备上预安装的某些 Office 产品无需产品密钥即可激活，其中一些 Office 产品在激活期间不需要Microsoft帐户。
Applies To:
Office 2021
在 Windows 10 中使用 Internet Explorer - Microsoft 支持
对 Internet Explorer 的支持已于 2022 年 6 月 15 日结束 Internet Explorer 11 已通过某些版本的 Microsoft Edge 更新永久禁用Windows 10。
欢迎使用 Windows 中的 Copilot - Microsoft 支持
在 Microsoft，我们遵循我们的 AI 原则、负责任的 AI 标准，以及数十年来在 AI、基础和隐私保护机器学习方面的研究。 数据隐私和安全是负责任的 AI 的关键原则。 我们的目标是帮助客户负责任地使用 AI 产品，共享学习内容，并建立基于信任的合作关系。
Help with the Microsoft account recovery form
If you’re not sure, guessing is ok — wrong answers don’t count against you. When you get to a question that lets you “add more," fill in as much information as you are able. You'll be asked questions that are specific to the account you're trying to recover. If you used the account with any of the products and services below, these are ...
Global Customer Service phone numbers - Microsoft Support
Looking for help? For help from an agent, follow the Get help link below to chat or request a call—we’ll call you so you don’t have to wait. For even faster help, search for your topic on our site. Get help. For Business users: To find a customer service phone number in your country, please click a region and find your country.
如何在任意位置注销你的 Microsoft 帐户 - Microsoft 支持
如果你认为有人可能未经授权访问你的帐户，我们可以通过从所有受信任的设备注销来保护你。 在 24 小时内，你将注销浏览器、应用以及你的帐户用于登录的任何其他位置（Xbox 主机除外）。
Applies To:
Microsoft account dashboard
Use mail merge for bulk email, letters, labels, and envelopes
Excel spreadsheets and Outlook contact lists are the most common data sources, but any database that you can connect to Word will work. If you don't yet have a data source, you can even type it up in Word, as part of the mail merge process. For details about data sources, see Data sources you can use for a mail merge. Excel or Outlook
Applies To:
Word for Microsoft 365, Word for Microsoft 365 for Mac, Word for the web, Word 2021, Word 2021 for Mac, Word 2019, Word 2019 for Mac, Word 2016, Word 2016 for Mac
Office Help & Training
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Send large files with Outlook - Microsoft Support
Compress the file. When you compress, or zip, your file, it decreases its size, and it might decrease it enough to fit within the Outlook size limits for attachments.The following articles describe how to compress and extract files for different Windows operating systems.
Applies To:
Outlook for Microsoft 365, Outlook 2021, Outlook 2019, Outlook 2016