At Microsoft, we're guided by our AI principles, our Responsible AI Standard, and decades of research on AI, grounding, and privacy-preserving machine learning.Data privacy and security is a key principle of responsible AI. We aim to help our customers use our AI products responsibly, sharing our learnings, and building trust-based partnerships.

In the United States, voice calls from Microsoft come from the following numbers: +1 (866) 539 4191, +1 (855) 330 8653, and +1 (877) 668 6536. Check your battery-related settings. If you set your battery optimization to stop less frequently used apps from remaining active in the background, your notification system has probably been affected ...

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.

Press Ctrl+1 to launch the Format Cells dialog, and click the Number tab. Under Category, click Date, select the date format you want, and then click OK. The value in each of the cells should appear as a date instead of a serial number. Add or subtract years from a date.

Add page numbers to an existing header or footer in Word. Use the Tab key to position the page number left, center, or right. If the number is flush left, press Tab once for center, and twice for right.

To switch the keyboard layout you're using in Windows 10, press and hold the Windows key and then repeatedly press the Spacebar to cycle through all your installed keyboards. (If this doesn't do anything, it means you have only one installed.)

Battery Life: Lowering your refresh rate can save battery power by reducing the amount of energy your display consumes.This can be useful when you are using a laptop or tablet and want to extend your battery life.

There are two ways to open Registry Editor in Windows 10: In the search box on the taskbar, type regedit, then select Registry Editor (Desktop app) from the results.

If you don't have a Microsoft account for Skype: In the Skype sign in window, select Create new account (or go directly to the Create an account page).

此疑难解答将为计算机尚未更新至最新版本 Windows 10 版本 1607 的客户提供协助。 此更新最初只会发布给一小组有针对性的客户。 这些客户会随着时间的推移而扩展。 Windows 用户可以从本文启动助手。