Get help for the account you use with Microsoft. Find how to set up Microsoft account, protect it, and use it to manage your services and subscriptions.

To help improve your privacy in Excel, a password adds protection to worksheets to help prevent others from changing, moving, or deleting important data.

See some of the most common upgrade and installation errors for Windows 10 and Windows 11, and what you can do to try to fix them.

使用 Windows 设置应用更改桌面背景和颜色。

Learn how to locate, install, and share files with custom fonts compatible with Microsoft Office applications.

Explains why certain keyboard keys, such as NUM LOCK, INSERT, PRINT SCREEN, SCROLL LOCK, BREAK, and function keys do not work when you press them on a Microsoft keyboard.

On the Security tab, select Custom level, and then under ActiveX controls and plug-ins, do one the following: Allow Automatic prompting for ActiveX controls by selecting Enable . Allow Internet Explorer to Display video and animation on a webpage that doesn't use external media player by selecting Enable .

You can customize keyboard shortcuts (or shortcut keys) by assigning them to a command, macro, font, style, or frequently used symbol. You can also remove keyboard shortcuts.

Sometimes add-ins can conflict with Outlook. Starting Outlook in safe mode, which starts Outlook without add-ins loaded, can tell you if an add-in is the source of the problem.

Windows Server, version 23H2; July 9, 2024—KB5040438 (OS Build 25398.1009) June 11, 2024—KB5039236 (OS Build 25398.950) May 14, 2024—KB5037781 (OS Build 25398.887)