从“文件”菜单打开文件 - Microsoft 支持
提示: 如果要绕过“文件”>“打开”并始终使用“打开”对话框，请执行此操作：选择“文件 > 选项 > 保存”，然后选择“打开或保存文件时不显示 Backstage”框检查。然后，关闭所有打开的 Office 应用程序再重新打开。 请注意，此更改仅影响按 Ctrl+O 访问“打开文件”对话框时看到的内容。
Applies To:
Excel for Microsoft 365, Word for Microsoft 365, PowerPoint for Microsoft 365, Access for Microsoft 365, Project Online Desktop Client, Publisher for Microsoft 365, Visio Plan 2, Excel for Microsoft 365 for Mac, Word for Microsoft 365 for Mac, PowerPoint for Microsoft 365 for Mac, Excel 2021, Word 2021, PowerPoint 2021, Access 2021, Project Professional 2021, Project Standard 2021, Publisher 2021, Visio Professional 2021, Visio Standard 2021, Excel 2021 for Mac, Word 2021 for Mac, PowerPoint 2021 for Mac, Excel 2019, Word 2019, PowerPoint 2019, Access 2019, Project Professional 2019, Project Standard 2019, Publisher 2019, Visio Professional 2019, Visio Standard 2019, Excel 2019 for Mac, Word 2019 for Mac, PowerPoint 2019 for Mac, Excel 2016, Word 2016, PowerPoint 2016, Access 2016, Project Professional 2016, Project Standard 2016, Publisher 2016, Visio Professional 2016, Visio Standard 2016
Microsoft サポート
Microsoft サポートは、Microsoft 製品を支援するためにここにあります。 Microsoft Copilot、Microsoft 365、Windows、Surface などのハウツー記事、ビデオ、トレーニングを検索します。
更改或重置密码 - Microsoft 支持
重要: Microsoft帐户、Windows 操作系统和其他Microsoft产品包括密码，以帮助保护你的信息。本文提供了一些选项，可用于在忘记密码时重置或恢复密码。 请注意，如果这些选项不起作用， Microsoft支持无法帮助你检索或绕过丢失或忘记的密码。
使较旧的应用或程序与 Windows 兼容 - Microsoft 支持
兼容性设置. 描述. 在 兼容模式下运行此程序. 使用早期版本的 Windows 中的设置运行程序。 如果你确信此程序是为某个特定版本的 Windows 而设计（或与该版本共同使用），请尝试使用此设置。
使用“Microsoft照片”应用管理照片和视频 - Microsoft 支持
iPhone 说明：如果 iPhone 导入时遇到问题，请确保设备已解锁，并且已接受权限。 适用于 Android 和其他设备的注意事项： 如果你使用的是 Android 手机或其他设备，并且导入不起作用，则可能需要将手机的 USB 设置从“通过 USB 充电”更改为“传输文件”或“传输照片”。
Deprecation of Microsoft Support Diagnostic Tool (MSDT) and MSDT ...
Devices running Windows 11 version 22H2 and older. If you're running Windows 11 version 22H2 and older, Windows 10, Windows 8.1, Windows 7 or any other earlier OS version, your device will not be affected by the MSDT Troubleshooter retirement.
Contact us | Xbox Support
Need help with an Xbox console, an Xbox game, or Xbox network? Find out how to get in touch with us.
Contact Us - Microsoft Support
Contact Microsoft Support. Find solutions to common problems, or get help from a support agent.
Error codes in Device Manager in Windows - Microsoft Support
Cause. The device has no drivers installed on your computer, or the drivers are configured incorrectly. Recommended Resolution. Update the Driver. In the device's Properties dialog box, click the Driver tab, and then click Update Driver to start the Hardware Update Wizard.Follow the instructions to update the driver.
Make older apps or programs compatible with Windows
Change the application's high-DPI scaling mode. In the High DPI scaling override area, select Override high DPI scaling behavior, and then try one of the following options:. Application – Disable all Windows scaling settings and only use the app developer's setting. This option was called Disable display scaling on high DPI settings in previous versions of Windows.