Press the Xbox button to open the guide.; Select Profile & system > Add or switch > Add new > Forgot your account?; Enter in the details that you think are associated with your account. This can include an alternate email address or a phone number.

Select the View tab and, in Advanced settings, select Show hidden files, folders, and drives and OK.

查找有关 Windows 操作系统的帮助和操作方法文章。 获取对 Windows 的支持，并了解安装、更新、隐私、安全等方面的信息。

To activate Windows 10 using an internet connection: As Windows 10 will automatically activate if you are connected to the internet, you can confirm your activation status by selecting Start > Settings > Update & Security > Activation and looking under Windows.. If online activation fails, first try the activation troubleshooting in Activate Windows 10.

Important: In Excel 2016, Excel Mobile, and Excel for the web, this function has been replaced with the CONCAT function.Although the CONCATENATE function is still available for backward compatibility, you should consider using CONCAT from now on. This is because CONCATENATE may not be available in future versions of Excel.

You'll see the list of files you saved to OneDrive or OneDrive for work or school. The type files you see are specific to the app you opened them in.

Try these steps if you’re having trouble buying apps, games, or downloads from the Microsoft Store.

Learn how to locate, install, and share files with custom fonts compatible with Microsoft Office applications.

To change the size of your font when reading email, use your browser's zoom function or use the Immersive Reader.You can also customize your email and change the size of your font when composing messages in Outlook.com.

There are two ways to get Office on your iPhone: Tap the button below to install the new Office app for iOS that combines Word, Excel, and PowerPoint into a single app, which introduces new mobile-centric features to view, edit, and share files without the need to switch between multiple apps.