I use LogTenPro and had an opportunity to print my logbook for my ATP ride and a 121 interview. I printed a summary of my flight times in the front and it seemed both parties appreciated that and the easy to read aspect of the printed logbook. I also brought along my old logbooks from my training days since it included all of my endorsements, checkrides, etc.

61.51 covers "what" you need to record, not "how" you record it.