I too have that question. It annoys me every time I have to replay a long line.
saving analysis lines in explorer

Under the list of possible moves is a box that says "LINK TO PAGE", if you copy/save this link, you can drop it back into the address bar of your broswer. This will bring you back to where you were.
DEAR STAFF OR MEMBERS
I WOULD LIKE TO KNOW HOW TO SAVE A GAME EXPLORER OPENING ANALYSIS LINES AND TO REPLAY IT AUTOMACTICALLY WHEN YOUR READY TO REVIEW IT?
SORRY, I'M NOT COMPUTER LITERATE AND I AM TRYING GET OPENING LINES FOR MY OPENINGS.
THANK YOU (antne003) tony from jersey shore