Note: The new Microsoft Planner is currently rolling out to customers. If your experience looks different than the steps listed in this article, or you're working from a Government Cloud Communities (GCC), GCC High, or Department of Defense (DoD) environment, refer to the instructions toward the bottom of this page.

Not working? Try this: Make sure your PC is connected to the Internet. If Update Options is missing and there's only the About button, you either have a volume license install or your company is using Group Policy to manage Office updates. Try Microsoft Update or contact your company help desk.. To download an update manually, see Office Updates.. If you would like to update Office but can't ...

To create a passkey for your Microsoft work or school account, follow these steps on the device for which you'd like to create a passkey: Sign in to your MyAccount Security info.. Sign in

Explore subscription benefits, browse training courses, learn how to secure your device, and more.

查找有关 Windows 操作系统的帮助和操作方法文章。 获取对 Windows 的支持，并了解安装、更新、隐私、安全等方面的信息。

Training: Learn how to quickly get started with Microsoft 365, share and collaborate, work in Microsoft Teams, work from anywhere, and try cool Microsoft 365 features.

Training: Watch this video to learn how to switch your Outlook calendar view between day, week, or month views, change the week displayed, and see different shared calendars.

Caution: When navigating mail storage locations, careful not to confuse the Online Archive folder with your existing Archive mail folder.For example, Move to Archive action in the ribbon, places the selected item into your local Archive, not the Online Archive.

Note: If you have a message open in its own window instead of the Reading pane, the Backspace key will not archive the message. You have to close the message and view it in the Reading pane for the Backspace keyto archive the message. When the message is open in a new window, the only way to archive the message is by using the Archive button on the ribbon.

Microsoft account help and support. Get help with signing in, locked or compromised accounts, linked accounts, closing, reopening, and updating your security info and account profile.