How to Convert Installation ID to Confirmation ID (Telephone Method)
An Installation ID is a 63-digit number generated by Microsoft Office during installation. It is unique to your specific computer hardware and product key combination. The IID is divided into nine groups of seven digits. It contains no personal information. Confirmation ID (CID) microsoft office installation id to confirmation id
Return to your Office Activation Wizard screen (the one showing the Installation ID). How to Convert Installation ID to Confirmation ID
Write down your Confirmation ID! If you ever need to reinstall Office on the same hardware, you can reuse that same CID to activate it instantly without calling again. It contains no personal information
The Installation ID is a 63-digit code (grouped into 9 sets of 7 digits) generated by your computer based on your hardware and product key. Open any Office application (e.g., Word or Excel). Navigate to File > Account > Activate Product .