RejectAllChanges Method
Rejects all changes in the specified shared workbook.
expression.AcceptAllChanges(When, Who, Where)
expression Required. An expression that returns a Workbook object
When Optional Variant. Specifies when all the changes are rejected.
Who Optional Variant. Specifies by whom all the changes are rejected.
Where Optional Variant. Specifies where all the changes are rejected.
Example
This example rejects all changes in the active workbook.
ActiveWorkbook.RejectAllChanges