Training: Watch and learn how to use PowerPoint in Windows. Explore PowerPoint training guides, articles, and how-to videos.

Note: Offers vary by country.Be sure to redeem your rewards points in the same region you signed up in. Do not use a VPN while trying to redeem points. When redeeming points, use a mobile or landline phone number for authentication and not a VoIP phone number.

The display language you select changes the default language used by Windows features, such as Settings and File Explorer. Select Start > Settings > Time & Language > Language.

Click the File tab, click Options, and then click the Add-Ins category. In the Manage box, select Excel Add-ins and then click Go. If you're using Excel for Mac, in the file menu go to Tools > Excel Add-ins. In the Add-Ins box, check the Analysis ToolPak check box, and then click OK.

Change Internet Explorer settings. There are many changes you can make to customize your browsing experience in Internet Explorer. To view all settings and options, open Internet Explorer on the desktop, select Tools > Internet options.. Reset Internet Explorer settings

Analyze Data in Excel empowers you to understand your data through high-level visual summaries, trends, and patterns. Simply click a cell in a data range, and then click the Analyze Data button on the Home tab. Analyze Data in Excel will analyze your data, and return interesting visuals about it in a task pane.

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：

Make sure User Account Control (UAC) is turned on - When changes are going to be made to your PC that require administrator-level permission, UAC notifies you and gives you the chance to approve the change.UAC can help keep viruses from making unwanted changes. To open UAC, swipe in from the right edge of the screen, and then tap Search. (If you're using a mouse, point to the upper-right ...

Enter a name for the database, select a location, and then select Create.. If needed, select Enable content in the yellow message bar when the database opens.

Gagnez rapidement en productivité grâce aux vidéos et tutoriels Microsoft 365. Explorez les guides de formation et les conseils de Microsoft 365 pour collaborer avec tout le monde, où que vous soyez.