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Office license issues. A Microsoft update, identified as KB5002907, is causing problems with some Office 2016 and 2019 installations. Users report losing license activation status and, in some cases, the complete disappearance of applications from their systems.
The KB5002907 update was originally intended to bring outdated Microsoft 365 Apps installations up to the latest version. However, numerous reports published on official Microsoft forums and by specialized publications indicate that the impact extends to perpetual versions of Office as well.
Office license issues: why it matters
Official Microsoft documentation describes KB5002907 as an optional update intended exclusively for outdated Microsoft 365 Apps installations, and not as a direct intervention on perpetual licenses. This discrepancy has led to the need to distinguish between verified reports and issues arising from other factors.
Microsoft designed KB5002907 to address Microsoft 365 Apps installations that do not receive regular updates. The package is distributed via Windows Update, but it is not an automatic operating system update. Its availability is limited to configurations using the Current Channel or the Monthly Enterprise Channel that have been outdated for more than 90 days.
The anomalies reported by users also concern perpetual installations of Office 2016 and Office 2019. In these cases, applications such as Word and Excel may appear unactivated or even disappear entirely after installing the update. Various testimonials published on Microsoft Q&A report the issue on multiple computers, suggesting a temporal correlation with the installation of the KB5002907 package; however, Microsoft has not yet released a technical statement officially attributing every case to the update.
It is important to note that Microsoft specifies that the KB5002907 package does not modify devices where Microsoft 365 Apps updates are managed via Group Policy or Cloud Update. This distinction is fundamental to avoid automatically attributing activation problems in these environments to the update.
The restoration procedure depends on the specific situation of the system. If Office remains installed but unactivated, Microsoft recommends checking the license status and reusing the product code associated with the original purchase. Discussions on support forums confirm that this operation can restore activation in affected installations, provided the user has the necessary credentials or license key.
What changes and what are the effects
If the applications are no longer present on the system, official documentation indicates reinstalling the previously purchased edition of Office. For purchases made through the Workplace Discount Program, Microsoft provides a dedicated procedure to recover the product and complete the installation again.
Preserving the original product key or accessing the account associated with the purchase is therefore essential to prevent a restoration intervention from turning into a new purchase procedure. This case highlights how the simple naming of the update is not sufficient to establish which components are actually involved.
Before proceeding with a reinstallation, Microsoft recommends checking the Windows Update history, identifying the specific edition of Office present on the computer, and preserving all information related to the license. A thorough verification of this type reduces the risk of confusing an activation problem with software removal and allows choosing the most appropriate recovery path based on one’s configuration.
Source and further reading on Office license issues: original article.
* Content created with the assistance of artificial intelligence systems.