Yes you can clear these out of the folder if you wish.
If you enable in the options it will auto-save these.......

You can download the battle log file reader from many of the sites available....I cannot remember exactly where from.....I believe the great MagyarKhan developed this.........

Put a post up to get the site address........

This progam enables you to look at past battles...either custom or on-line......

Fight the JOD!