Export Outlook email, contacts, and calendar to move them to another computer or so that you can make a backup of your information.

For Windows 10. In the search box on the taskbar, type control panel, and then select Control Panel.. For Windows 8.1 / Windows RT 8.1. Swipe in from the right edge of the screen, tap Search (or if you're using a mouse, point to the upper-right corner of the screen, move the mouse pointer down, and then click Search), enter Control Panel in the search box, and then tap or click Control Panel.

Warning: Excel provides the DATEDIF function in order to support older workbooks from Lotus 1-2-3.The DATEDIF function may calculate incorrect results under certain scenarios. Please see the known issues section of this article for further details.

Provides information for avoiding and reporting Microsoft technical support scams.

Learn about the UNIQUE function, which returns a list of unique values in a list or range. UNIQUE is in a class of functions called dynamic arrays.

Erfahren Sie, wie Sie Einstellungen-App zum Anzeigen und Ändern von Anzeigeeinstellungen in Windows.

The term "alignment" generally specifies the appearance and orientation of the edges of a paragraph -- left-aligned text, right-aligned text, centered text, or "justified" text (aligned evenly from left to right margins).

Microsoft 365 helps you manage and share your work schedule. New features allow you to specify more details about your work schedule: from where you’re working (remotely or in office) and whether you work different hours on different days. In addition, you’ll be able to schedule meetings with others based on their work location and view work location on people’s contact cards.

即使已开启其他防火墙，开启 Microsoft Defender 防火墙也很重要。 它保护你免遭未经授权的访问。 若要打开或关闭 Microsoft Defender 防火墙，请执行以下操作：

Training: Learn how to create a spreadsheet, enter data, and create a chart in Excel.