Hotmail is now Outlook.com. Learn how to sign in to access your Outlook.com, Hotmail, Live, or MSN email account.

You can create a signature for your email messages using a readily available signature gallery template. All you have to do is get the template, copy the signature you like into your email message and personalize it to make your own Outlook signature. Check out the video to see how it's done.

The most common type is a physical, external keyboard that plugs into your PC. But Windows has a built-in Accessibility tool called the On-Screen Keyboard (OSK) that can be used instead of a physical keyboard. You don’t need a touchscreen to use the OSK.

If you're having problems with Windows 11 on your PC or you want a fresh copy of Windows 11 without the clutter of old files or apps, you can reinstall Windows 11 to try and fix your issues and return your PC to a cleaner state.

If you already have a personal OneDrive account set up, you can only add work or school accounts. Tap Me then Settings. Tap Add account. Learn more about adding a work or school account to OneDrive for Android or OneDrive for iOS.

Find the information you need to import to or exporting from Outlook, whether you're using Office 365, Outlook 2016, or a Mac.

为什么订阅的价格有变化？ Xbox Game Pass 订阅价格发生变化的最可能原因是，它已从试用价或促销价更新为全价。 登录 account.microsoft.com 以检查您的订阅状态。

下面是如何分别构造 AND 、 OR 和 NOT 函数的概述。. 当将它们分别与 IF 语句组合使用时，应按如下方式表达：. AND – =IF (AND (Something is True, Something else is True), Value if True, Value if False) OR – =IF (OR (Something is True, Something else is True), Value if True, Value if False)

Go to Insert > Symbol. Pick a symbol, or choose More Symbols. Scroll up or down to find the symbol you want to insert. Different font sets often have different symbols in them and the most commonly used symbols are in the Segoe UI Symbol font set.

VLOOKUP 第一个参数是要查找的值。. 此参数可以是单元格引用，也可以是固定值，例如“smith”或 21,000。. 第二个参数是单元格搜索范围 C2-:E7，VLOOKUP 在其中搜索要查找的值。. 第三个参数是单元格范围内包含所查找值的列。. 第四个参数可选。. 输入 True 或 False ...