The default maximum storage term for reports on events that are logged by Kaspersky Endpoint Security is 30 days. After that period of time, Kaspersky Endpoint Security automatically deletes the oldest entries from the report file.
In the application settings window, select General settings → Reports and Storage.
Report settings
If you want to limit the report storage term, select the Store reports no longer thanN days check box in the Reports block. Define the maximum report storage term.