Run code once

[emoandy05]

Hi,

I have the following code for one of my worksheets:

Private Sub Worksheet_Calculate()
Dim c As Range
For Each c In Range("O4:O46")
If c.Value <= 0 Then MsgBox "Updates are available", vbInformation
Next c
End Sub

How do I get this to run only once when I open Excel?

Any help you be appreciated.

[Bob Phillips]

Put it in the Thisworkbook code module

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[tom1977]

I think that You wants run Msgbox only once. If so You can use this

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[emoandy05]

Tom, I just replaced my code with yours. The only thing I changed was the range, but no message box appears. Im just right clicking on the sheet tab, selecting view code, and pasting it in.

Any suggestions?

[Bob Phillips]

Tom, I just replaced my code with yours. The only thing I changed was the range, but no message box appears. Im just right clicking on the sheet tab, selecting view code, and pasting it in.

Any suggestions?

Maybe qualify the range with the sheet name as I suggested.