If you saved your Confirmation Code from years ago (perhaps in a text file, email, or written on the CD sleeve), you can still activate without calling Microsoft.
Success rate: Very high – if the code was originally generated for the exact same Installation ID. Note: The Confirmation Code is tied to the hardware hash of your computer at the time of original activation. If you have changed major components (motherboard, CPU), the old CID will be rejected. activation wizard office 2007 confirmation code
The official method to get a Confirmation Code was via the automated phone system (using the IID). However, in 2023–2024, most users report the following: If you saved your Confirmation Code from years
As of the End of Life (EOL) date, the infrastructure supporting Office 2007 has changed significantly. or written on the CD sleeve)