If you're a small business owner. Find the information you need to build, run, and grow your small business with Microsoft 365. Find help and how-to articles for Windows operating systems. Get support for Windows and learn about installation, updates, privacy, security and more.

AND 和 OR 函数最多可支持 255 个单独条件，但并不建议使用多个条件，因为构建、测试和维护复杂的嵌套公式是非常难的。. NOT 函数仅采用一个条件。. 下面是根据它们的逻辑写出的公式：. 公式. 说明. =IF (AND (A2>0,B2<100),TRUE, FALSE) 如果 A2 (25) 大于 0，并且 B2 (75 ...

How to redeem a gift card, Xbox download code or token. Both Microsoft and Xbox gift cards and download codes and tokens work the same way: once redeemed to your Microsoft account, you can spend your balance at Microsoft Store online, on Windows or Xbox, and you can get downloads for the latest apps, games, movies, TV shows, and Surface, Xbox, and accessories.

註銷Hotmail或Outlook.com. 若要登出，請移至 Outlook.com 。. 選取位於信箱頂端角落的帳戶縮寫或帳戶圖片。. 選取 [登出] 。. 如果您未在畫面頂端看到您的圖片，請檢查您是否開啟了廣告封鎖。. 有時候這會導致圖片無法顯示。. 如果您沒有看到 [個人檔案] 或 [帳戶 ...

Select Start > All apps and search for the app in the list shown. Press and hold (or right-click) on the app, then select Uninstall. Uninstall in Settings. Select Start > Settings > Apps > Apps & features . Find the app you want to remove, select More > Uninstall. Note: Some apps can't be uninstalled from the Settings app right now.

Update Windows. In Windows 11, you decide when and how to get the latest updates to keep your device running smoothly and securely. To manage your options and see available updates, select Check for Windows updates. Or select Start > Settings > Windows Update . Here's some other info you might be looking for:

在Microsoft Edge中翻译网页. 在Microsoft Edge中打开网页。. 浏览器将检测页面的语言，并显示一个菜单，要求你确认是否要翻译页面。. 请执行以下任一操作：. 在 “翻译为 ”下拉列表中，选择要将页面翻译成的语言。. 默认值是为Microsoft Edge设置的语言。. 若要翻译 ...

在“ 收件人”、“ 抄送”或“ 密件抄送 ”框中，输入收件人的电子邮件地址或姓名。 在你开始键入收件人的姓名时，Outlook 将建议你之前向其发送过电子邮件的人员的姓名。 你最近发送电子邮件的联系人将列为 “建议的联系人”。可以从列表中选择姓名、键入全名或电子邮件地址，或选择 ...

The new Microsoft Edge is based on Chromium and was released on January 15, 2020. It is compatible with all supported versions of Windows, and macOS. With speed, performance, best in class compatibility for websites and extensions, and built-in privacy and security features, it's the only browser you'll ever need. Try the new Microsoft Edge now.

Learn how to run Windows Update Troubleshooter to resolve errors downloading or installing Windows updates.