Are you trying to a software package with this file, or are you looking to transfer this license to a new device?

These files are usually encrypted to prevent tampering. Moving or renaming the file outside of the software's interface often triggers a "License Corrupted" error. Functionality:

I cannot access or produce a paper on a specific local file like because I do not have access to your computer's internal storage or private documents.

: Strategic Renewal Management: Mitigating Service Interruptions in Enterprise Security.

These files frequently originate from license-sharing platforms, such as Telegram channels or dedicated software forums. Users often seek them as alternatives when facing issues with standard activation codes or to bypass regional activation restrictions. KTS subscription problem - Kaspersky Total Security

This type of .dat file acts as a local digital "key" for the security application. While modern versions of Kaspersky often handle activation via a My Kaspersky account login, specific distribution methods—such as bulk licenses for businesses or offline activation packages—still utilize these data files to register the product on a device.