Files with IFC extension refer to Industry Foundation Classes (IFC) file format that establishes international standards to import and export building objects and their properties. This file format provides interoperability between different software applications. Specifications for this file format are developed and maintained by buildingSMART International as its Data Standard.
File with .sxc extension is a spreadsheet created by StarOffice Calc.
You can also convert IFC into many other file formats. Please see the complete list below.