Info from one field showing up in another when not wanted

[Mike K.]

I am currently entering survey information into three different columns.
When I type something in the second column, it automatically shows up in the
third column. How do I stop this?

 

[Brian Tillman]

I am currently entering survey information into three different
columns. When I type something in the second column, it automatically
shows up in the third column. How do I stop this?

How is this an Outlook question?