Try going to:
View - Page Break Preview
Ensure the blue lines are to the right and below your desired data.

Not sure why this is changing when you export to Adobe...

"Financial planner" wrote:

When I go to print an excel spreadsheet printed may times before I sometimes
find it only prints 2/3 of the pages selected. This generally happens after I
have selected to print to a pdf file using Adobe. I try to reselect the
cells to print. I close the file and open again. Nothing seems to work.