Troubleshoot email setup on your iPhone, iPad or Android device.

To change your profile picture in Microsoft Teams, click your existing profile picture and select the camera icon.

系统要求. 手机连接 体验从 Windows 电脑和 手机连接 开始。 从电脑中，可以使用预安装在设备上的连接至 Windows 应用或从 Google Play 或 Samsung Galaxy Store 下载的应用连接到选择 Android、Samsung、HONOR、OPPO 和华硕设备。

Learn how Smart charging in Windows can help your battery last longer over time.

Use family safety settings to block inappropriate websites and searches on Windows, Xbox and mobile devices.

Learn how to change Microsoft account email address or phone number using aliases to sign into your Microsoft account.

How to use the COUNT function in Excel to count the number of cells that contain numbers, and to count numbers within a list of arguments.

Use create.microsoft.com to find and download free Excel for the web templates. Download free Excel templates for calendars, invoices, budgeting, and more.

Learn how to change the email address or phone number that’s associated with your Microsoft account.

Microsoft Teams offers different ways to access, receive, and manage notifications. These settings include how, when, and where your notifications appear, custom settings for channels and chat, appearance and sounds, turning off specific messages, and so on.