Sub RebuildDefaultStyles()
'The purpose of this macro is to remove all styles in the active
'workbook and rebuild the default styles.
'It rebuilds the default styles by merging them from a new workbook.
'Dimension variables.
Dim MyBook As Workbook
Dim tempBook As Workbook
Dim CurStyle As Style
'Set MyBook to the active workbook.
Set MyBook = ActiveWorkbook
On Error Resume Next
'Delete all the styles in the workbook.
For Each CurStyle In MyBook.Styles
'If CurStyle.Name <> "Normal" Then CurStyle.Delete
Select Case CurStyle.Name
Case "20% - Accent1", "20% - Accent2", _
"20% - Accent3", "20% - Accent4", "20% - Accent5", "20% - Accent6", _
"40% - Accent1", "40% - Accent2", "40% - Accent3", "40% - Accent4", _
"40% - Accent5", "40% - Accent6", "60% - Accent1", "60% - Accent2", _
"60% - Accent3", "60% - Accent4", "60% - Accent5", "60% - Accent6", _
"Accent1", "Accent2", "Accent3", "Accent4", "Accent5", "Accent6", _
"Bad", "Calculation", "Check Cell", "Comma", "Comma [0]", "Currency", _
"Currency [0]", "Explanatory Text", "Good", "Heading 1", "Heading 2", _
"Heading 3", "Heading 4", "Input", "Linked Cell", "Neutral", "Normal", _
"Note", "Output", "Percent", "Title", "Total", "Warning Text"
'Do nothing, these are the default styles
Case Else
CurStyle.Delete
End Select
Next CurStyle
'Open a new workbook.
Set tempBook = Workbooks.Add
'Disable alerts so you may merge changes to the Normal style
'from the new workbook.
Application.DisplayAlerts = False
'Merge styles from the new workbook into the existing workbook.
MyBook.Styles.Merge Workbook:=tempBook
'Enable alerts.
Application.DisplayAlerts = True
'Close the new workbook.
tempBook.Close
End Sub
