Learn how to troubleshoot Windows activation errors. Browse common activation errors and learn what you can do to fix them.

This article describes step for users to allow all Web sites in the Internet zone to run JavaScript in Internet Explorer, Chrome, and Firefox.

了解如何在电脑上安装 Office 2013 或 Office for Mac 2011。

Find out more about Xbox digital codes and gift cards, and how to troubleshoot issues redeeming content.

Learn how to use mail merge in Word to create custom documents, envelopes, email, and labels with individualized elements for each recipient.

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Learn how to recover a hacked or compromised account, what to do next, and how to prevent your account from being compromised in the future.

The blocked person can still send you mail, but if anything from his or her email address makes it to your email account, it’s immediately moved to the Junk Email folder. Future messages from this sender will go to your Junk Email folder or End-User Quarantineif enabled by your administrator.. It’s a good idea to periodically review email messages identified as junk to make sure you’re ...

See how Xbox cloud gaming works on iOS mobile devices.

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