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排查Windows 媒体播放器错误 - Microsoft 支持
如果遇到特定文件类型的错误,则可能是编解码器缺失或过时。 若要解决此问题,请执行以下操作: 检查文件属性: 确保电脑上有正确的编解码器来播放媒体文件。 若要检查文件格式和编解码器信息,请右键单击媒体文件,选择“属性”,然后转到“详细信息”选项卡。
Returning items you bought from Microsoft for exchange or refund
Digital goods like apps, games, add-on content, subscriptions, movies, TV shows, and books aren't returnable unless the offer for applicable law states that you're eligible for a refund.
Applies To: Microsoft account dashboard
在 Microsoft Edge 中打印 - Microsoft 支持
选择要打印每页的页数: 在一张纸上打印多页是一种有用的技术,可节省纸张、降低打印成本并创建文档的紧凑版本。 可在单张纸上打印的页数取决于打印机的功能和所选打印选项 (示例:每张) 1、2、4、6、9 或 16 页。
Set up the Microsoft Authenticator app as your verification method
Method. Used for. Authenticator app. Two-factor verification and password reset authentication. Text messages. Two-factor verification and password reset authentication.
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.
Add and record audio in PowerPoint - Microsoft Support
Change playback options. Select the audio icon and then select the Playback tab. Then select which options you'd like to use: To trim the audio, select Trim and then use the red and green sliders to trim the audio file accordingly.
Applies To: PowerPoint for Microsoft 365, PowerPoint 2021, PowerPoint 2019, PowerPoint 2016
How to download and install the latest printer drivers
If Windows Update finds an updated driver, it will download and install it, and your printer will automatically use it. If a device driver couldn’t be installed automatically, there may be an optional driver available that your printer can use.
Protect yourself from phishing - Microsoft Support
First time, infrequent senders, or senders marked [External] - While it's not unusual to receive an email or Teams message from someone for the first time, especially if they are outside your organization, this can be a sign of phishing.Slow down and take extra care at these times. When you get an email or a Teams message from somebody you don't recognize, or that Outlook or Teams identifies ...
Office Help & Training
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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.