如何在 Excel 中锁定单元格以保护数据。 还可以解锁单元格区域并授予他人编辑权限。 清除此复选框 防止用户执行的操作 选定锁定单元格 将指针移向选中了“锁定”复选框（在“设置单元格格式”对话框的“保护”选项卡上）的单元格。默认情况下，允许用户选择锁定的单元格。

键入“tpm.msc” (不使用引号) 并选择“确定”。 如果看到一条消息，指出“找不到兼容的 TPM”，则表示你的电脑的 TPM 可能已禁用。 有关启用 TPM 的说明，请参阅如何启用 TPM，了解详细信息或检查电脑制造商的支持信息。如果能够启用 TPM，请完成下一步以验证它是 TPM 2.0。

This article explains how you can get or create a digital signature for use in Office documents. To learn more about how to use them in Office documents, see Add or remove a digital signature in Office files.. What is a digital signature?

了解如何通过 适用于 Android 的 Windows 子系统 ™ 在Windows 11电脑上使用和安装移动应用。 注意: 2025 年 3 月 5 日之后，适用于 Android 的 Windows 子系 (Windows Subsystem for Android™) 和 Amazon Appstore 将不再在 Microsoft Store 中提供。 了解详细信息。

To increase security and performance, Windows 11 in S mode only runs apps from the Microsoft Store. If you want to install an app that isn't available in the Microsoft Store, or if you have Windows 10 Pro, Enterprise, or Education and want to upgrade to Windows 11, you'll need to permanently switch out of S mode.

If a language is listed under Preferred languages but doesn't appear on the Windows display language list, you'll first need to install its language pack (if it's available).. Select Start > Settings > Time & language > Language & region.

获取有关在 Outlook 网页版中登录、更改密码、创建和发送邮件、删除邮件、创建文件夹等的帮助。 如果使用 Outlook 在 Web 浏览器中查看工作或学校电子邮件，则使用的是 Outlook 网页版 。

Learn how to open and run DxDiag.exe on Windows to collect device information and troubleshoot DirectX sound and video issues.

Test your camera with the Camera app. Select Start , then choose Camera from your apps. If you're asked to allow access to the Camera, select Yes.If the camera works in the Camera app, the problem might be with the app you're trying to use.

If you need instructions for adding an email account using advanced settings, go to Use advanced setup to add a POP or IMAP email account in Outlook for PC. Outlook won't accept my password. If Outlook won’t accept your password and you know you’re using the right password for your Gmail account, you might have an older version of Outlook that doesn't currently support this faster Gmail ...