In office programs shows unlicensed products, the software products are programmed with the protocols to see the date of your computer and set the date.
The uninstall does not fully clean and remove all the changes local and remote made by the package office installation. In some keys the package makes a network change to obtain the short term key from an external server that check for a previous install.
Most of the modern software when installed creates entries in the windows registry. When you uninstall the trial version, it won’t remove the data entries from the registry. Thus the products turn unlicensed at times. Overriding of the previously installed trial products can causes this unlicensed issues.
We are here to help you out to make your unlicensed products as licensed. You the actual product licenses at a reasonable cost depending on your requirement.
We can advise you the subscription products to reduce your costs or we can also get the life time products as a one off payment plans.