The configuration file ends in a .config extension and usually has your FCS Express serial number as part of the file name.

• On a PC (Windows 7 and above) it will be located at C:\ProgramData\De Novo Software\FCS Express 7 Flow Research.
  Please note that the ProgramData folder is generally a hidden folder. Typing C:\ProgramData in any windows file browser will help you navigate to this location.
  For PC’s running Windows 2000 or XP, the location will be: C:\Documents and Settings\All Users\Application Data\De Novo Software

• On a Mac it will be located at Library > De Novo Software > FCS Express 7 Flow Research.
  Please note that the Library folder is generally a hidden folder. From your Desktop hold down the Alt/Option key and click on the Go menu to reveal the Library folder. Please visit Where is my configuration file saved on a Mac for additional information.

For more details on how to identify the location of your current configuration please see our full knowledge base article.