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How to pop up a message box upon activating/opening a specified worksheet in Excel?

You may need a message box pop up to remind you about the details of a worksheet when you activating it in Excel. Please try the below method.

Pop up a message box upon activating a specified worksheet with VBA code

arrow blue right bubble Pop up a message box upon activating a specified worksheet with VBA code

The following VBA code can help you to pop up message box when activating a specified worksheet.

1. Press Alt + F11 keys simultaneously to open the Microsoft Visual Basic for Applications window.

2. In the Microsoft Visual Basic for Applications window, double click ThisWorkbook in the Project pane to open the ThisWorkbook (Code) window. And then copy and paste the below VBA code into the code window.

VBA code: Pop up message box upon activating a specified worksheet

Private Sub Workbook_SheetActivate(ByVal Sh As Object)
    On Error Resume Next
    If Sh.Name = "Sheet1" Then
        MsgBox "Please remember to fill in the daily sale", vbInformation, "Kutools for Excel"
    End If
End Sub

Note: In the code, please replace Sheet1 with your specified sheet name. And replace the message box content “Please remember to fill in the daily sale” with the content you need.

3. Press Alt + Q keys simultaneously to close the Microsoft Visual Basic for Applications window.

From now on, when activating or opening this worksheet, a message box will always pop up as below screenshot shown.

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    tait · 2 years ago
    when I copy this I get a compile error: Expected: end of statement.
    I don't understand why