For superscript, press Ctrl, Shift, and the Plus sign (+) at the same time. For subscript, press Ctrl and the Equal sign (=) at the same time. (Do not press Shift.)

Many tasks for Office products don't require a product key because your Microsoft account takes care of them instead.

Drive engagement with reactions Use reactions to interact with others and vote on ideas and items on shared boards. Use ink tools for better visuals

注意: 如果已与你共享文档以供审阅，则可能无法关闭修订。如果要在不跟踪更改的情况下编辑文档，则需要保存副本，或要求发送给你的人员在关闭审阅模式的情况下再次共享该副本。

Select the Start button, then go to Settings > Personalization > Lock screen, and select Screen saver settings.In the Screen Saver Settings window, choose a screen saver from the drop-down list. Change your screen saver settings

若要将其关闭，请将设置切换为“关闭”。 关闭 Microsoft Defender 防火墙可能会使设备（以及网络，如果有）更容易受到未经授权的访问。

提示: 如果您安裝 Microsoft 365 應用程式作為套件的一部分，(例如 Office 家用版 或 Microsoft 365)，請搜尋套件名稱。若為獨立應用程式，請依應用程式名稱 (例如 Project 或 Visio) 搜尋。 在大多數情況下，若個別應用程式包括在您的 Microsoft 365 套件中，則無法解除安裝。

Learn how to update Windows to ensure your device operates smoothly and securely with the latest features.

Learn how to run Windows Update Troubleshooter to resolve errors downloading or installing Windows updates.

In Outlook, you have the option to: Snooze or dismiss events or tasks | Turn the notifications on or off | Add reminders to events | Add reminders to tasks | Troubleshoot notifications. Snooze or dismiss an event or task. With the reminders window, you can select to snooze calendar events and tasks, join a Teams meeting, or dismiss events and tasks.