Hi Lars,

Try changing:

For Each cell In Row


to

For Each cell In Row,Cells


---
Regards,
Norman


"Lars" wrote in message
...
I am trying to analize all cells, one by one. I have tried this code:

For Each Sheet In ThisWorkbook.Sheets
For Each Row In Sheet.Rows
For Each cell In Row
MsgBox cell.Text
Next
Next
Next

But I get a "non valid use of Null" error. Any hints ? Thanks,