如果您在 Windows 10 电脑上打开任何Microsoft 365应用后收到带有红色补丁的^{(Microsoft 365)}未经许可产品^{(Unlicensed Product)}错误消息，您应该查看这些故障排除建议。您可能无法使用该应用程序，因为Microsoft检测到您的应用程序存在一些与订阅相关的问题，例如Word、Excel、PowerPoint、Outlook等。

Microsoft 365上的未经许可的产品^(Product)错误

要修复Office应用程序上的^(Office)Microsoft 365未经许可的产品^(Product)错误，请遵循以下建议 -

1. 使用正确的帐户登录
2. 检查订阅状态
3. 检查活动设备的数量
4. 使用官方疑难解答

要了解有关这些步骤的更多信息，请继续阅读。

1]使用正确的帐户登录

要在您的计算机上激活Microsoft 365应用，您需要登录您的Microsoft帐户。即使您已经在 Windows 10 PC 中使用Microsoft帐户，这些应用程序也可能不会检测到订阅。为此，您必须验证现有帐户是否与您用于购买Office订阅的帐户相同。否则，您需要使用该特定Microsoft帐户登录Word或Excel 。

2]检查订阅状态

无论您是按月订阅还是按年订阅，它都可能已过期。如果是这样，在打开Microsoft Word、Excel和其他应用程序后可能会收到这样的错误消息。因此，最好确认您是否有有效订阅。如果没有，您可以从官方网站进行更新。

3]检查^(Check)活动设备的数量

如果您使用的是家庭^(Home)或个人^(Personal)计划，您应该了解这些限制。例如，用户可以在所有设备上安装Office应用程序，但他们一次不能使用超过五台设备。家庭^(Home)和个人^(Personal)计划用户也是如此。因此，必须检查您是否在超过五台设备上处于活动状态。如果是，您需要注销设备以激活新设备。

4]使用Office疑难解答

Microsoft 365用户可以使用官方疑难解答程序，您可以从官方网站下载它们。下载后，打开并安装到您的 PC 上。之后，您需要按照屏幕说明让它在您的计算机上运行。

前面我们已经提到了一些其他的Office激活相关教程。如果您需要其他帮助，您可能想查看它们：

• 如何解决 Office 激活问题
• 如果 Microsoft Office 未激活或未获得许可，会发生什么情况？

Fix Microsoft 365 Unlicensed Product error on Office apps

If уou are getting an Unlicensed Product error message with a red patch after opening any Microsoft 365 app on your Windows 10 PC, you should check out these troubleshooting suggestions. You may not be able to use the app since Microsoft detects some subscription-related problems with your app i.e., Word, Excel, PowerPoint, Outlook, etc.

Unlicensed Product error on Microsoft 365

To fix Microsoft 365 Unlicensed Product error on Office apps, follow these suggestions-

1. Sign in with the correct account
2. Check subscription status
3. Check the number of active devices
4. Use official troubleshooter

To know more about these steps, keep reading.

1] Sign in with the correct account

To activate the Microsoft 365 apps on your computer, you need to sign in to your Microsoft account. Even though you are already using a Microsoft account in your Windows 10 PC, those apps might not detect the subscription. For that, you must verify whether the existing account is the same that you used to purchase the Office subscription. Otherwise, you need to sign in to Word or Excel with that specific Microsoft account.

2] Check subscription status

Whether you have a monthly or annual subscription, it might have got expired. If so, there is a chance of getting such an error message after opening Microsoft Word, Excel, and other apps. Therefore, it is better to confirm whether you have an active subscription or not. If not, you can renew it from the official website.

3] Check the number of active devices

If you are using a Home or Personal plan, you should know the restrictions. For instance, users can install Office apps on all devices, but they cannot use more than five devices at a time. The same goes for the Home as well as Personal plan users. Therefore, it is essential to check if you are active on more than five devices or not. If yes, you need to log out of a device so that the new one gets activated.

4] Use the Office Troubleshooter

There are official troubleshooters available for Microsoft 365 users, and you can download them from the official website. After downloading it, open, and install it on your PC. After that, you need to follow the screen instruction to get it running on your computer.

We have mentioned some other Office activation related tutorials earlier. You might like to check them out if you need additional help:

• How to troubleshoot Office Activation problems
• What happens if Microsoft Office is not activated or unlicensed?

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