Learn how to redeem a gift card, code, or Office product key and spend your balance at Microsoft Store online, on Windows, or Xbox.

Create and send personalized email messages to everyone on your address list with mail merge.

Download the latest internet browser recommended by Microsoft from the official support page.

Get more out of your email with Outlook.com. We've streamlined search to make it easier than ever to find what you're looking for. New features like Files and attachment previews let you see your pictures and files without leaving your inbox.

With Microsoft Forms you can create a form, such as a survey or quiz, invite others to respond to it using almost any web browser or mobile device, see real-time results as they're submitted, use built-in analytics to evaluate responses, and export results to Excel for additional analysis or grading.

Find and replace basic text. In the upper-right corner of the document, in the search box , type the word or phrase that you want to find, and Word will highlight all instances of the word or phrase throughout the document.. To replace found text: Select the magnifying glass, and then select Replace.

Learn how to remove passwords from your Microsoft account to increase security.

Make text, images, and apps bigger on the screen of your Windows computer.

了解如何使用产品密钥或数字许可证激活 Windows、检查激活状态，以及链接Microsoft 帐户。

Learn how to set up your user account for multifactor authentication with Microsoft 365.