This page provides phone numbers of Microsoft customer service.

Contact Microsoft Support. Find solutions to common problems, or get help from a support agent.

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

Add or edit hyperlinks to web sites, local files, email messages, or anchor points in your document.

Use the XLOOKUP function when you need to find things in a table or a range by row. For example, look up the price of an automotive part by the part number, or find an employee name based on their employee ID. With XLOOKUP, you can look in one column for a search term, and return a result from the same row in another column, regardless of which side the return column is on.

Troubleshoot issues that occur when setting up external monitors. If you are trying to set up an external monitor and it’s not working, press the Windows logo key + P to make sure that the Extend option is selected. If the Extend option is selected, try the following troubleshooting tips.

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How to use the COUNTIF function in Excel to count the number of cells that meet values you set.

Learn how to use your Windows PC as a mobile hotspot. Turn your Windows PC into a mobile hotspot by sharing your internet connection with other devices over Wi-Fi.

Firewall & network protection in Windows Security lets you view the status of Microsoft Defender Firewall and see what networks your device is connected to.