Discover how to earn Microsoft Rewards points through various activities and redeem them for exciting rewards.

Create a top-level folder in new Outlook. In the folder pane on the left, right-click your email address, or hover over it and select More options > Create new folder.

How to user form controls in Excel to make data entry easier.

The CONCAT function combines the text from multiple ranges and/or strings, but it doesn't provide delimiter or IgnoreEmpty arguments.

Find out how straight-forward it is to schedule remote meetings in Microsoft Teams for both people inside and outside of your organization.

检查你的版本. DirectX 是许多 Windows 游戏都需要的一种多媒体技术套件。 如果你的电脑未安装正确版本的 DirectX（产品包装盒上应标有所需的版本），游戏可能无法正常运行。

You can add columns, rows, or cells to an Excel worksheet or delete them. Columns insert to the left, rows above, and cells above or to the left.

The Calculator app for Windows is a touch-friendly version of the desktop calculator in previous versions of Windows. You can open multiple calculators at the same time in resizable windows on the desktop and switch between Standard, Scientific, Graphing, Programmer, Date calculation, and Converter modes.. To get started, select the Start button, and then select Calculator in the list of apps.

Learn how to locate, install, and share files with custom fonts compatible with Microsoft Office applications.

Change the capitalization of text to lowercase, UPPERCASE, Capitalize First Word, or Sentence case in your documents.