Get Microsoft billing support. Find help with Microsoft Store purchases, subscriptions, refunds, payment options, and checking your order history.

To mark a message as important or urgent in Microsoft Teams, select Set Delivery Options ! beneath the compose box and then click Important or Urgent.

Create a channel in Microsoft Teams by selecting Create channel from the menu next to the channel name.

Learn how to tell if your Office software is genuine. To help determine if your Microsoft software is genuine, go to our How to Tell site for more information. Here you'll learn about authentic packaging, including what to look for with product key labels, and Certificate of Authenticity (COA), how to report counterfeit software, and find out what your shopping and licensing options are.

若要能够通过邮件合并批量发送电子邮件，必须已安装 MAPI 兼容的电子邮件程序，例如Outlook 或 Gmail。 以下过程假定你已拥有在 Microsoft Word 中创建并打开要发送的消息。

Learn how to use Narrator, a screen-reading app built into Windows, with this complete guide and how-to articles.

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预先警告一下，一些人观看视频游戏时很可能会出现光敏性癫痫发作的情况。

If you want to send an email to a channel in Teams, use the channel email address. Once an email is part of a channel, anyone can reply to it to start a conversation.

获取有关如何在麦克风中设置和测试麦克风的Windows。