The correspondence file contains the list of all processes present in ecoinvent version 2.2 and their equivalents (both activity and product names) in ecoinvent version 3.01. This file provides you with information on the re-naming of ecoinvent version 2.2 datasets in relation to ecoinvent v3.01.
This file may come in handy for all tool and script users who want to adapt their software consistently as it also contains the UUIDs and the old ID numbers to match datasets easily.
It also contains information on the modifications of activities for version 3.01, and information on which processes were not transferred (for various reasons) from ecoinvent version 2.2 to ecoinvent version 3.01. The change report always explains such cases in more detail.
Similar files are available reporting the changes between the different updates of version 3.
All correspondence files are available here.