Routedata delete

[Erich]

Hello forum please help I would like to in the database all routing United States and Japan South America delete???There are several at once to highlight an option and delete.You can Eizeln but that is cumbersome to routing delete all old before 2013 without neuistallation. There is a moeglichkei please help. LG Erich

[Runway 31]

Erich, Old route data can only deleted one at a time even at my end

Alan