I've been looking for a list of these, to help with annual security review; i can never find a comprehensive one so in case anyone else is looking for it, here ya go; Note: the ones with module ID are used by us, the rest, got from Epic Web old list of possible modules, in case anyone looking for other module codes too.
| Module | Description | Module ID |
| AMM | Advanced Material Management | AM |
| AP | Accounts Payable | AP |
| AR | Accounts Receivable | AR |
| AS | Advanced Shipping | AS |
| BP | Business Process Management | BP |
| CM | Currency Management | CM |
| CRM | Customer Relationship Management | CR |
| DC | Data Collection (MES) | DE |
| EQ | Quote Management | EQ |
| APS | Advanced Planning Scheduling | ES |
| FA | Fixed Assets | FA |
| GL | General Ledger | GL |
| HD | Case Management | HD |
| HH | HandHeld | HH |
| IM | Inventory Management | IM |
| JM | Job Management | JC |
| MP | Transfer Orders | MP |
| MRP | Material Requirements Planning | MR |
| MSM | Multi-Site Management | MS |
| OM | Order Management | OM |
| PC | Product Configurator | PC |
| PH | Purchase Contracts | PH |
| PJ | Project Management | PJ |
| PM | Purchasing Management | PM |
| QA | Quality Assurance | QA |
| RP | Rebates and Promotions | RP |
| SRM | Supplier Relationship Management | RQ |
| SE | Engineering | SE |
| SR | Shipping & Receiving | SR |
| SU | Utilities | SU |
| SV | Shop Vision | SV |
| UD | User Defined Tools | UD |
| XA | System Management | XA |
| ADVP | Advanced Print | |
| AP | Active Planner | |
| APM | Advanced Production Management | |
| CC | Customer Connect - Storefront/CRM/Portal | |
| CR | Crystal Report Builder | |
| DM | Document Management | |
| EDI | EDI | |
| ES | Express Ship | |
| FRXF | FRx Forecaster | |
| FRXR | FRx Desktop | |
| FS | Field Service | |
| IQS | Advanced Quality | |
| MC | mConnect - Sales/Exec/Hub | |
| OPEN | Open 4 | |
| PLM | Product Lifecycle Management | |
| PR | Payroll | |
| QM | Quote Management | |
| SC | Supplier Connect - Supplier Workbench/Portal | |
| SCH | Scheduling | |
| VBI | Business Intelligence |