Make a copy of a page/report before modifying it?
If you wish to modify a built-in page/report, it is highly recommended that you first make a copy of it (even if it is the main Database page) and then modify the copy.
To copy a page, right-click on it on the Pages list and select ‘Copy’ from the pop-up menu. Then go to the place on the Pages list where you want the copy placed, right-click and select ‘Paste’.
You can rename and/or move the various pages on the Pages list in any way that fits your purposes.
You can also perform the same basic steps to copy pages/reports from one notebook to another.