Rows and Columns
Excel has
columns, rows and cells. By definition, columns are vertical, rows are
horizontal.
1. Try It:
Select a Column
Click on the letter A above the first column to
select the entire column. Click on the C Column header. Now you’ve
selected Column C.
2. Try It: Select a Row
Click on the number 1 in the upper left corner. This is the Row
selector. Now you’ve selected all of Row 1.