excel formula help

seraphdd

New Member
I would like to make a formula so when I enter data for peoples training certifcate expiration dates the cell turns a different color based on if it is expired or not.

For instance if I enter 10-mar-09 it will turn red because it is past due, or if I enter 10-may-10 it will stay green because it is not expired, and last if I enter 29-feb-10 it will turn yellow for almost expired.

Another question if you guys give that , is there a way for it to auto update when ever I open excel? For instance if I where to open it today the date 12-may-10 would be green because it is not expired but say I open it up in summer it would be red.
 
Step1: Take two column's A1,A2. Type start date in A1 and end date in A2
Step2: Select the entire column B.
Step3: On the menu bar, select Format/Conditional Formatting.
step4: Drop-down Condition 1 and choose Formulaas between =$A$1 and =$A$2
Step5: now click on format and select the color you want.

Add one more condition for greeen.
 
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