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Find Microsoft Excel help and learning resources. Explore how-to articles, guides, training videos, and tips to efficiently use Excel.

Creating trusted documents. When you open a new file that has active content (data connections, macros, and so on) the Message Bar appears because active content may contain viruses and other security hazards that could harm your computer or your organization’s network.. However, if you trust the source of the file, or know that the active content is secure (for example, the macro is signed ...

Training: With Microsoft Outlook on your PC, Mac or mobile device, you can organize email, share your calendar, schedule meetings, and share files. Watch this online video.

Use AutoFilter or built-in comparison operators like "greater than" and “top 10” in Excel to show the data you want and hide the rest. Once you filter data in a range of cells or table, you can either reapply a filter to get up-to-date results, or clear a filter to redisplay all of the data.

Recommended formats. Video: .mp4 files encoded with H.264 video and AAC audio. Audio: .m4a files encoded with AAC audio. These names and formats may sound complicated, but you can easily convert to and use these formats without having to know anything more than the names.

To enable DHCP or change other TCP/IP settings. Select Start, then type settings.Select Settings > Network & internet.

Important: you should limit the number of administrators on your Windows device because administrators have complete control over the system.Administrators can change settings, install software, and access all files. If too many people have this level of access, it could lead to security risks like malware installation or unwanted changes to your system.

Explore subscription benefits, browse training courses, learn how to secure your device, and more.

Find out how to get a DVD player app, add-on, or plug-in, or whether you can upgrade your edition of Windows to add DVD playback.