Go to the Guestbook on the left sidebar.
In the top right corner, select the export page icon.

Select "Confirm" on the export pop up window. This may take a few minutes but the restaurant owner or owners will be emailed the Guestbook.

Go to the Guestbook on the left sidebar.
In the top right corner, select the export page icon.
Select "Confirm" on the export pop up window. This may take a few minutes but the restaurant owner or owners will be emailed the Guestbook.