One worksheet doesn't show the first 15 rows. I tried the followings, neither worked, even in full-screen mode
step 1: F5 (Ctrl+G) to define & select 1:15, set row height to 20 and "unhide row", they are still hiding;
Step 2: Put cursor in A16, then up.. till A1 (invisible), select entire row (Ctrl +Shift + ->), hold on shift key, press down arrow, till all 15 rows selected, set height and unhide row, still doesn't work!
How can I get them back?