Why does my reading pane have a dark background? When dark mode is turned on, the reading pane has a dark background to reduce eye strain. You can make the reading pane brighter by selecting at the top of the reading pane. If you don't see the button, select .

To open a PDF file without converting it to a Word document, open the file directly wherever it's stored (for example, double-click the PDF file in your Documents folder).

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。

Check your printer manufacturer’s support site. To find it, search the internet for the name of your printer manufacturer plus the word “support,” such as “HP support.”

Create a bibliography using built-in common citation formats like APA, MLA, or Chicago.

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.

Which devices support cross-device copy and paste? Cross-device copy and paste is supported on Surface Duo and Android devices that are running One UI version 2.1 or above or select HONOR devices (1.22036.14.0 or later) or OPPO devices (1.23093.0 or later) or select ASUS devices.

Most of the time, Excel will recognize this, and you'll see an alert next to the cell where numbers are being stored as text. If you see the alert:

To change the default app, you can do either of the following: Set a default for a file type or link type In the search bar, enter the file type or link type you want, then select it from the list of results.

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.