The "Product Activation Failed" error in Microsoft Office arises when the application cannot verify your license or subscription status. This hiccup, hindering full ...

When trying to activate or use Office products, we get the Microsoft (Office) 365 Product Key installation error 0x80070005. This error is faced by a lot of Office ...

If are seeing error 0x8007001D while activating Office, then the first thing you should do is make sure that your key is right and the version of MS Office is legal ...