了解如何使用产品密钥或数字许可证激活 Windows、检查激活状态，以及链接Microsoft 帐户。

Learn how to recover deleted items, such as email, contacts, calendar appointments, and tasks in Outlook.

If you don't want to use OneDrive, the easiest solution is to unlink it. Follow the steps in Turn off, disable, or uninstall OneDrive, for how to unlink, hide, and uninstall OneDrive from your PC.

Microsoft Rewards offers and redemption catalogs vary across regions. The following is a list of countries/regions in which Microsoft Rewards is currently available:

Send large files by using file sharing, cloud services, or other solutions for working around file size limits in Outlook.

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Sum values based on one or more conditions by using the SUMIFS function in a formula.

Leave your Android device in your pocket the next time it rings — pick up the call from your PC instead. Calling requires Bluetooth capability on both your PC and on your Android device, so make sure you have it turned on for both.

The transcribe feature converts speech to a text transcript with each speaker individually separated. After your conversation, interview, or meeting, you can revisit parts of the recording by playing back the timestamped audio and edit the transcription to make corrections.

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