Possible issues: Since it's an older version, maybe some users want it for legacy systems. Also, the build number might be outdated, so if they need the latest feature updates, Office 2019 might not be suitable.
Security is a key point for Pro Plus, especially for businesses. Mention features like ransomware protection, automatic encryption, and compliance with data policies. Compatibility with cloud services like OneDrive for Business could be a feature to talk about, but also note that Office 2019 is not integrated with Microsoft 365, so it's a perpetual license. Possible issues: Since it's an older version, maybe
Warranty and customer support: as a retail purchase, users get a license key and access to support resources from Microsoft. Emphasize that the product key is unique and should be kept secure. Emphasize that the product key is unique and