使用 vlookup、hlookup 和其他函数（如 index 和 match）根据您输入的值搜索和查找数据。 本文将让您快速回顾 vlookup，然后链接到更多内容。

On the Choose an account screen, click the Microsoft account button.; On the Add your Microsoft account screen, enter the email address and password associated with your Microsoft account.; On the Make it yours screen, you'll have the option to make this Microsoft account your primary account. (This makes sign-in, settings, and syncing happen automatically for all other Microsoft services.)

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.

Vous devez parfois modifier les paramètres de votre compte de courrier. Si vous avez un nouveau mot de passe, si votre fournisseur de messagerie vous a demandé de modifier les paramètres, ou si vous avez des problèmes d’envoi et de réception de courrier électronique, vous pouvez modifier les paramètres de votre compte de courrier via Courrier dans le Panneau de configuration Windows ...

Select Start , then select Settings > Personalization > Themes.Choose from a default theme or select Get more themes in Microsoft Store if you want to download new themes with desktop backgrounds that feature cute critters, breathtaking landscapes, and other smile-inducing options.

Important: Workbook links are considered potentially unsafe and must be enabled when you open a formula workbook.When you open a formula workbook, click Enable Content in the Message Bar to allow the workbook links to function. If you don't, Excel keeps the most recent values and disables refreshing the links with values from the data workbook.

If you don’t see the Recall This Message command, you probably don’t have an Exchange account or the feature isn’t available within your organization. You can't recall a message that's protected by Azure Information Protection. You can't recall a message in Outlook on the web.

تعرّف على كيفية الاستعداد لترقية Windows 11 بدءاً من التأكد من قدرة جهازك على تشغيل Windows 11 وصولاً إلى نسخ ملفاتك احتياطياً وتثبيت Windows 11.

If your Office product key doesn’t work, or has stopped working, you should contact the seller and request a refund. If you bought a product key separate from the software, it’s very possible the product key was stolen or otherwise fraudulently obtained, and subsequently blocked for use. Unfortunately, there are many dishonest sellers who ...

具有 Windows 11 或 MSDN 订阅的批量许可协议. 产品密钥. 可通过你所参与的计划的 Web 门户找到产品密钥。 购买一台运行 Windows 11 的新设备或翻新设备. 产品密钥. 产品密钥预装在你的设备上、与设备包装附在一起、包含为卡片形式或包含在贴在设备上的真品证书 (COA ...