The file (often referred to as part of a multi-part series like .sfx.1 , .sfx.2 , or in some contexts ending in sfx.15 ) is the official self-extracting installer for the 64-bit English version of Autodesk AutoCAD 2016. File Characteristics
Specifically:
Before installing AutoCAD 2016 (English, Windows 64-bit), ensure your system meets these official Autodesk specifications: AutoCAD 2016 English Win 64bit Dlm.sfx.15