'Place this code in a Module
Private Declare Function FindWindowA Lib "USER32" _
(ByVal lpClassName As String, _
ByVal lpWindowName As String) As Long
Private Declare Function GetWindowLongA Lib "USER32" _
(ByVal hWnd As Long, _
ByVal nIndex As Long) As Long
Private Declare Function SetWindowLongA Lib "USER32" _
(ByVal hWnd As Long, _
ByVal nIndex As Long, _
ByVal dwNewLong As Long) As Long
Option Explicit
Sub FormatUserForm(UserFormCaption As String)
Dim hWnd As Long
Dim exLong As Long
hWnd = FindWindowA(vbNullString, UserFormCaption)
exLong = GetWindowLongA(hWnd, -16)
If (exLong And &H20000) = 0 Then
SetWindowLongA hWnd, -16, exLong Or &H20000
Else
End If
End Sub
Sub ShowForm()
UserForm1.Show vbModeless
End Sub
In the UserForm paste the below code
Private Sub UserForm_Initialize()
Call FormatUserForm(Me.Caption)
End Sub