K has an line at the bottom of one cell. How can we remove it?
Other questions here:
Why does AutoFit Row Height not work in Excel?
Why can’t I delete this border in Excel?
Deleting drawing objects in Excel?
Borders using Conditional Formatting in Excel?
How to remove page breaks in Excel?
Paste Picture Link in Excel?
Why is there one extra line of whitespace at the bottom of my cell?
How do I manually change row height in Excel?

Thanks to YouTubers: DropMeSort, Finnur Torfi Gunnarsson, Rico S., and Vesa Ruusunen.
Thanks to Debra Dalgleish at Contextures.

Table of Contents
(0:00) Remove the Line at the bottom of a cell
(0:19) Use Chapter Markers
(0:51) Remove Border
(1:53) Remove Conditional Formatting
(2:59) Click on the Drawing Object and Delete
(4:11) Reset all Page Breaks
(5:20) Remove Linked Picture
(6:41) Find a channel e-mail adddress on YouTube
(7:00) Check Print Preview
(7:21) Toggle off the Gridlines
(7:51) Change the row height
(8:59) Row height by dragging
(9:20) Alt+Enter at End of Cell?
(10:05) Wrap Text when too narrow
(11:21) Explicit row height?
(11:35) Debra Dalgleish Explains it
(12:12) Failure in Active Listening