我的产品密钥不起作用. 如果 Office 产品密钥不起作用，或已停止工作，应与卖家联系，申请退款。 如果产品密钥是独立于软件购买的，则很可能是被盗的产品密钥，或者是以欺骗方式获得随后阻止使用的产品密钥。

Find out how to change your capture settings on Windows 10/11 devices.

Create list views to organize, sort, and filter data in different and specific ways; change the metadata, such as adding and deleting columns, and modifying validation rules; and use lists consistently across sites with content types, site columns, and templates.

Find out how to submit a request for a refund for a purchase of digital Xbox content.

How to use Stream's Transcripts and Captions features with video in OneDrive and SharePoint.

Узнайте, как устранять неполадки, когда камера не работает в Windows либо вы видите ошибки 0xA00F4244 или 0x200F4244.

Some users prefer the Office web apps, others prefer the Office desktop apps. We've designed an experience where users get to tell us what they prefer, and then their links open in their preferred mode - either Office web apps or the Office desktop apps.

学习如何在 Windows 中解决 USB-C 问题，修复 USB 设备、端口和适配器无法正常工作。

Aprende a solucionar problemas de Bluetooth en Windows. Resuelve problemas al conectar un dispositivo o accesorio Bluetooth.

Change two-step verification settings; Common problems with two-step verification for work or school accounts; Manage app passwords for two-step verification