The most common cause is a mismatch between the key and the installed software.
A: This depends on the specific license type. "Retail" licenses are transferable. "OEM" licenses (usually pre-installed on a computer) are tied to the motherboard of that specific computer and cannot be transferred. product activation failed office 2013
Corrupted local licensing files can cause the software to "forget" its status. Step 1: Run Office as Administrator The most common cause is a mismatch between