Yellow lines around some cells in Apple Numbers
why do yellow lines appear around some cells in apple numbers
iMac 27″, macOS 11.7
I'm assuming from your question that you don't expect them to be there?
It's possible for cells to have borders (check Inspector -> Format -> Cell and see if there are borders set:
If that's not the case, can you show an example of what you're seeing?
Use Command-Ctrl-Shift-4 to grab a portion of your screen for a screenshot and save it on the clipboard, then paste the image into your post so we can see.