A long, 63-digit numeric code (broken into 9 groups of 7 digits) generated by the Office application itself based on your hardware and product key.
: Group by group, Alex carefully typed the 63 digits into the phone's keypad. After a brief pause for verification, the automated voice began reading back the Confirmation ID —a series of numbers for blocks A through H. microsoft office installation id to confirmation id
If you want, I can:
Microsoft is aggressively pushing everything toward cloud-based subscription models (Microsoft 365). However, as of 2025, (the latest perpetual release for enterprises) still supports offline activation via Installation ID and Confirmation ID. This method is too valuable for air-gapped networks and legacy systems to be removed entirely in the next decade. A long, 63-digit numeric code (broken into 9
