WE05 - IDoc Lists - SAP transaction code

WE02 - Display IDoc Basis - ALE Integration Technology

WE20 - Partner Profiles Basis - ALE Integration Technology

WE19 - Test tool Basis - ALE Integration Technology

WE21 - Port definition Basis - ALE Integration Technology

WE30 - IDoc Type Development Basis - ALE Integration Technology

EDIDC - Control record (IDoc) Basis - ALE Integration Technology

VBAK - Sales Document: Header Data SD - Sales

MARA - General Material Data Logistics - Material Master

VBAP - Sales Document: Item Data SD - Sales

EKKO - Purchasing Document Header MM - Purchasing

EKPO - Purchasing Document Item MM - Purchasing

S_RFC - Authorization Check for RFC Access -

S_TCODE - Transaction Code Check at Transaction Start -

F_BKPF_BUK - Accounting Document: Authorization for Company Codes -

S_TABU_DIS - Table Maintenance (via standard tools such as SM30) -

S_DATASET - Authorization for file access -

I_TCODE - PM: Transaction Code -

Top SAP tcodes

purchase order tcodes	vendor tcodes	cost center tcodes
sales order tcodes	purchase requisition tcodes	stock tcodes
goods receipt tcodes	display vendor tcodes	display gl account tcodes
invoice tcodes	internal order tcodes	trial balance tcodes
profit center tcodes	display invoice tcodes	vendor master tcodes
bom tcodes	idoc tcodes	customer tcodes
display cost center tcodes	material master tcodes	customer master tcodes
inventory tcodes	display material document tcodes	contract tcodes
info record tcodes	wbs element tcodes	se16 tcodes
spool tcodes	outbound delivery tcodes	exchange rate tcodes
factory calendar tcodes	delivery tcodes	transfer order tcodes
storage location tcodes	miro tcodes	number ranges tcodes
asset tcodes	reservation tcodes	display document tcodes
display vendor list tcodes	material tcodes	migo tcodes
material document tcodes	billing document tcodes	transport tcodes
wbs tcodes	business partner tcodes	vendor payment tcodes
material group tcodes	plant tcodes

AC - Accounting - General
AP - Application Platform
BC - Basis Components
BW - SAP Business Information Warehouse
CA - Cross-Application Basis Components
CO - Controlling
CRM - Customer Relationship Management
CS - Customer Service
EC - Enterprise Controlling
EHS - Environment, Health and Safety
EP - Enterprise Portal
FI - Financial Accounting
FIN - Financials
FS - Financial Services
GRC - Governance, Risk and Compliance
ICM - Incentive and Commission Management (ICM)
IM - Investment Management
IS
KM - Knowledge Management
LE - Logistics Execution
LO - Logistics - General
MDM - SAP NetWeaver Master Data Management
MM - Materials Management
PA - Personnel Management
PE - Training and Event Management
PLM - Product Lifecycle Management
PM - Plant Maintenance
PP - Production Planning and Control
PPM - Portfolio and Project Management
PS - Project System
PSM - Public Sector Management
PT - Personnel Time Management
PY - Payroll
QM - Quality Management
RE - Real Estate Management
SCM - Supply Chain Management
SD - Sales and Distribution
SRM - Supplier Relationship Management
SV - Service
TR - Treasury
WEC - Web Channel
WP - Obsolete Product: mySAP.com Workplace