title: Excel function: "Not Isblank" with "Or" and if date is
body: <p>I need a Formula that notify me if one of two cells is empty (or both of them) while if more than 30 days have passed . I used it before but with just one empty cell and it works perfectly:</p>
  
  <pre><code>=IF(NOT(ISBLANK(H4));"";IF(TODAY()&gt;=C4+30;"Action";""))
  </code></pre>
  
  <p>How can I make it with 2 empty cells?</p>
  
  <h2>Thank you all in advance</h2>
  
  <p>I solved it, Thanks for everybody's help. I wanted to update it to check if one cell is blank and another one is NOT blank while more than 30 days have passed. Here is the Formula:
  =IF(OR(NOT(ISBLANK(H4));ISBLANK(E4));"";IF(TODAY()>=C4+30;"Action";""))</p>