Conditionally format one cell for contents of another?

[Guest]

I need to format cells in one column depending on the contents of
corresponding cells in another column. Any suggestions?

 

[Dave Peterson]

Use a formula that anchors the column in both columns:

In C2:
=$a2=6

The row will vary with the selection, but the column reference won't change.

Debra Dalgleish has some more instructions:
http://contextures.com/xlCondFormat02.html

 

[Guest]

Use conditional formatting (format > conditional formatting) but change the
first drop-down to read 'Formula Is' (instead of 'Cell Value Is'). Then
create a formula that returns TRUE when you want the format applied, ex:
=b1=2 would set the format (in the cell in which you apply the conditional
format) when the value in cell B2 is 2.