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

In the following countries, you have the right to cancel a subscription that has recurring billing with immediate effect and receive a prorated refund as described in the Microsoft Consumer Subscription Prorated Refund Policy:

Multiply numbers in different cells by using a formula. You can use the PRODUCT function to multiply numbers, cells, and ranges.. You can use any combination of up to 255 numbers or cell references in the PRODUCT function. For example, the formula =PRODUCT(A2,A4:A15,12,E3:E5,150,G4,H4:J6) multiplies two single cells (A2 and G4), two numbers (12 and 150), and three ranges (A4:A15, E3:E5, and H4 ...

了解如何设置 Xbox 无线控制器。

Under Adjust your photo, select Choose a file > Browse files to select an existing photo. Or, if your device has a camera, select Take a photo > Open camera and take a new photo

How to determine what is causing the problem after you do a clean boot. If your problem does not occur while the computer is in a clean boot environment, then you can determine which startup application or service is causing the problem by systematically turning them on or off and restarting the computer.

个人设备的所有者或管理员激活了 BitLocker (在某些设备上也称为设备加密，) 通过“设置”应用或控制面板： 在这种情况下，激活 BitLocker 的用户选择了保存密钥的位置，或者在设备加密的情况下选择 (，) 自动将密钥保存到其 Microsoft 帐户。

要在 Microsoft Edge 中为所有网站设置默认缩放级别，请转到“设置和更多” >“设置” >“辅助功能” ，然后从“页面缩放”下的下拉菜单中选择所需缩放级别。 通过选择缩放级别轻松管理特定网站的缩放级别。. 你还可以在 Windows 中放大文本。 此处所做的更改将应用于设备上的大部分文本。

New or classic Outlook for Windows desktop apps Classic Outlook for Windows is a desktop app included with Microsoft 365 Personal or Family subscriptions or non-subscription versions of Office such as Office Home & Business. New Outlook for Windows is available free on Windows devices or as a free download.If you don't already have new Outlook, you can download it from the Microsoft Store ...

Some apps use the video platform that's built into Windows 11. These include Universal Windows Platform (UWP) apps that come with Windows 11, such as Microsoft Edge, Photos, and Movies & TV, as well as many third-party video apps you get from Microsoft Store (for example, Hulu, Netflix, and Vudu).