Select range of lines in notepad++

Easiest way for big files:

1. Ctrl + G, go to line 1000.

   • Menu > Edit > Begin/End select.
     
     

2. Ctrl + G, go to line 1997.

   • Menu > Edit > Begin/End select.
     
     

You now have your range selected with few clicks and no scroll.

Try Menu => Search => Goto and enter the first line number. Next use Menu => Edit => Begin/End select. Then Goto the second line number and repeat the Begin/End select. Finally delete the selected area.