The file is a Dynamic Link Library component primarily associated with EasternGraphics GmbH . It is a critical "Utility Functions and Classes" file used by software like pCon.planner , a popular 3D interior design and space planning application. Review of eutil.dll Sources & Fixes
Never replace a missing DLL by downloading it from a third-party website unless you have no alternative and have verified the file with antivirus tools. eutil dll download