Learn how to add members to your family group including child and adult accounts.

Learn how to filter the contacts in the People app on your Windows 10 PC so you can see all of your Skype contacts.

Learn how to tell if your Office software is genuine. To help determine if your Microsoft software is genuine, go to our How to Tell site for more information. Here you'll learn about authentic packaging, including what to look for with product key labels, and Certificate of Authenticity (COA), how to report counterfeit software, and find out what your shopping and licensing options are.

Learn how to set up Microsoft Family Safety to manage screen time, filter content, and share location with your family members.

Windows 10, version 22H2 update history; July 23, 2024—KB5040525 (OS Build 19045.4717) Preview; July 9, 2024—KB5040427 (OS Builds 19044.4651 and 19045.4651)

Get troubleshooting tips if you run into problems downloading, installing, or updating Microsoft Edge.

Outlook shows conflict errors when updating or cancelling meetings.

If you change your country or region for Microsoft Store, stuff you got in one region might not work in another.

使用 Windows 中的“设置”应用通过蓝牙发送文件。

This article describes the formula syntax and usage of the NETWORKDAYS function in Microsoft Excel.. Description. Returns the number of whole working days between start_date and end_date.