This Installation ID is not your product key. It is proof that the software has been installed on a specific machine. To complete the activation, this Installation ID must be submitted to Microsoft, which then validates it against your product key and returns a Confirmation ID . .
When you activate certain versions of Microsoft Office, particularly the perpetual (one-time purchase) licenses like Office 2021, 2019, and volume licensing (LTSC) editions, an Installation ID is generated by your computer. This is a long, 36-digit number broken into six groups of six numbers. It is a unique fingerprint of your specific hardware and software configuration. microsoft office confirmation id generator 2021
The working mechanism of a Microsoft Office Confirmation ID Generator 2021 may vary depending on the specific tool or software being used. However, in general, these generators use algorithms to produce a unique Confirmation ID that mimics the one generated during the standard activation process. Users may be required to provide information such as their product key, installation ID, or other details to generate the Confirmation ID. This Installation ID is not your product key