1. Legacy System Migration Workbench
•The Legacy System Migration Workbench (LSMW) is a tool that supports data migration from
legacy systems (non-SAP systems) to SAP systems.
•Data migration comes in the end of the SAP implementation. Ideally, you must have already
installed the SAP system and completed the Customizing settings for your applications.
•The LSMW is a cross-application component (CA) of the SAP system.
• Read data (legacy data in spreadsheet tables and/or sequential files).
•You can use any combination of PC and server files.
•Convert data (from the source into the target format).
• Import data (to the database used by the SAP application).
•The source and SAP fields must be mapped to each other.

2. • There are four types of method.
a. Direct input method.
b. Batch Input Recording
c. BAPI
d. IDoc (Intermediate Document)
Legacy System Migration Workbench

3. Legacy System Migration Workbench
• T-code -> LSMW - Press Enter.

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5. • CREATE ENTRY OR SHFT+F1
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8. • CLICK EXECUTE OR F8
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14. • CLICK SAVE
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