Select cell you want to change color.
Goto: Format-Conditional Format.
Formula is:
=DATE(YEAR(TODAY()),MONTH(TODAY())+1,DAY(TODAY())) =C2

Or, if by "1 month" you are willing to accept 30 days, you could use:
=TODAY()+30=C2

2nd condition:
=TODAY()+7=C2

Format-Patterns (pick color)
This assumes that C2 is the due date. Copy down as desired


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Best Regards,

Luke M
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"The moderator" wrote:

I am using excel to track calibration dates. I would like to have the cell
or cell text change color based on the calibration due date.

For example:

Last Calibration Date Cycle Due Date
01/01/09 6 month 6/1/09
03/01/09 3 month 6/1/09
02/01/09 3 month 5/1/09

When the Due date is within one month I would like the Due Date to display
yellow. When the due date is within one week or less the Due Date should
display red.

TIA