CFX_BACKENDSYS is a standard SAP Table which is used to store Assignment of Versions and Backend Systems data in SAP systems, such as SAP R/3, S/4HANA, depending on the version and release level.
The CFX_BACKENDSYS table consists of various fields, each holding specific information or linking keys about Assignment of Versions and Backend Systems data available in SAP. These include ID (GUID in 'CHAR' Format in Uppercase), HELP_ID (GUID in 'RAW' format), BACKEND_SYSTEM (Character String for Collaboration Folders)... See below for full list along with technical details, documentation, text table, check tables, foreign key relationships, conversion routines, relevant tcodes and example ABAP select code etc. .