Appending a Case
The Append Case command allows you to append additional power system components to an existing case. Unlike the Open Case command, Append Case does not delete the existing case (if any) before loading the selected case. To append a case to the existing case, go to the Tools ribbon tab and choose Modify Case > Append Case from the Edit Mode ribbon group.
The Append Case command can be useful when used in conjunction with the
See the Case Formats topic for information on special handling of data that occurs when appending a case using specific file formats.