Find app notifications from the taskbar in Windows 11, and in Windows 10, use quick actions to change settings quickly as well.

For the extension you want to change site access permissions, select ... More menu and point to This can read and change site data.

If you need help with Outlook.com, you can read our self-help content, or get support via email.

加载项为 Microsoft Excel 提供可选的命令和功能。 默认情况下，加载项在 Excel 中不立即可用，因此在某些情况下，必须首先安装和 激活这些加载项，以便您可以使用它们。 某些加载项内置于 Excel 中，例如规划求解和分析工具库。 其他一些加载项可从下载中心获取，必须先下载并安装。

As a meeting presenter, you can use Microsoft Forms to create polls before your Microsoft Teams meeting, then launch them during it so attendees from any endpoint (mobile, web, desktop) can view and answer. When you launch your poll, it will pop up on attendees' meeting screens as well as in the meeting chat. Attendees can also create ad-hoc polls during a meeting to get quick feedback on the ...

How to use the FILTER function in Excel to filter a range of data based on criteria you define.

You can block messages from specific email addresses or domains from reaching your inbox. When you add an email address or domain to your blocked senders list, Outlook automatically moves messages from that sender to the Junk Email folder.

Attach pictures and other files to your emails, meetings, and appointments.

When you schedule a Microsoft Teams meeting from Outlook, a dial-in number and conference ID are included automatically. If you have PSTN conferencing enabled in Teams, they are also included.

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