SAP ABAP Data Element W3FILEEXT (File name extension) is used by

• Class (17)
• Function Module (2)
• Interface (2)
• Program (2)
• SOBJ (1)
• Table (2)

#	Object Type	Object Name	Object Description	Package	Structure Package	Software Component
1	SOBJ	WF_DOC	WF_DOC	SWUO	BASIS	SAP_BASIS