Backup License Office 2013
If you do not have the key written down, you will need to extract it from your current installation. Because the registry key where this information is stored is encrypted and in binary format, it is unreadable to the human eye. You will need a utility to decode it.
Go to the Microsoft Services & Subscriptions page. backup license office 2013
If you purchased the digital download directly from Microsoft, the backup is automatic. If you do not have the key written