Many Outlook users are getting the ‘Unlicensed Product’ error at every initiation even when they pay for the subscription. The issue is not operative System exclusive as it comes even with office 365 and with office 2016 too. You might be the one dealing with a network discontinuity. The easiest troubleshoot can be managed by running the Activation troubleshooter that is compatible with office 365 or the one you use. If you don’t get any specific recommendations, it’s time to make some adjustments. To resolve the issue you can try eliminating any element manually that gets recommended, Also you should try to do some adjustments and should manually remove every element that involves office activation via CMD or a Registry Editor and Credentials Manager in case they could help you out in dealing and resolving the issue. Office unlicensd Method 1: Running the Activation troubleshooter This is a built-in utility that holds a series of generic troubleshooting steps. This can be applied automatically in case a familiar scenario is discovered. Many users have successfully got rid of this issue and the below-given instructions would be helpful to them in resolving the issue These steps would guide you to run the activation trouble shooter. You need to apply this on the affected Office suite and resolve the ‘Unlicensed Product’ error: Accessing the Advanced menu You need to ensure whether the box associated with repair application gets automatically checked or not. Furthermore, click Next to explore the advance or the next menu. Starting the Activation Troubleshooter You need to wait until the tool find any error with your Office licenses. In case the tool identify any viable repair scenario. You just need to click on Apply the troubleshoot to resolve your error. Once the operation is done, reboot your system and wait for the next startup to complete. In case the same problem is persisting, move down to the next potential fix below. Method 2: Resetting Office Activation ‘Unlicensed Product’ error is very common for users who switch devices very frequently. These devices when use a single license subscription or are used for companies that frequently add or get different Office 365 tenants. If this situation is applicable to your system, you will be able to fix the issue by clearing the unnecessary cache from 4 different locations. By clearing your system you will be able to reset the activation.