Connect your Surface on Windows 10 to a TV, external display, or projector by using the Surface HD Digital AV Adapter or the Surface VGA Adapter.

How to use the SUMIF function in Excel to add the values in a range that meet criteria that you specify.

了解在 Windows 中查找 BitLocker 恢复密钥的不同方法，并了解如何在系统上激活 BitLocker。

You can refer to the contents of cells in another workbook by creating an external reference formula. An external reference (also called a link) is a reference to a cell or range on a worksheet in another Excel workbook, or a reference to a defined name in another workbook.

Learn how to use drag and drop to transfer content between your Android device and PC.

To change startup behavior, select Start, home, and new tabs, and then select what you want Microsoft Edge to display on startup.

That verification method isn’t working right now: Sometimes the block may be tied to the verification method you are using.Try using another verification method connected to your account. For example, if you are using SMS to verify yourself and are hitting a block, try using an alternate email that is connected to the account to receive your authorization code.

This article tells you how to add email accounts to the Mail and Calendar apps so you can start sending and receiving email and creating and managing events.

See how to install Project 2013 and 2016 and Project Pro for Office 365.

Use a ready signature template from a gallery to create your email signature in Outlook.