Empresa's Technical Support
· Open Online Support Case
· eChange Obsolescence Schedule
· Knowledge Base Articles
· Technical Tips & Bulletins
· Upload a File to Support
Documentation
eChange 3.2
Release Notes for Service Pack 1
Release Notes
ChangeDocs User Guide
Web User Guide
System Administration Guide
Installation Guide: Windows 2000 Server
Installation Guide: Windows NT 4.0 Server
ChangeCAD User Guide: AutoCAD & Mechanical Desktop
ChangeCAD User Guide: Inventor
Viewable File Formats List
eChange 3.1.1
Release Notes
Installation notes for 311 viewer update


Updates & Patches
eChange 3.2
SP1 3-11-2005: eChange 3.2 Service Pack 1
eChange 3.1.1
EBF1005 7-29-2004: Viewer Redline Patch
EBF1004 1-19-2004: AutoCAD 2002 Server patch for eChange 3.1.1 Builds 171 and 172
Inventor Update 11-04-2003: eChange 3.1.1 Inventor update for Inventor 7 (902 KB)


Connectors
eChange
ACad2004 eChange AutoCAD 2004 Connector


White Papers
eChange
PDF Upgrading DesignGroup 2.11 System to eChange 3.03