2. What is LSMW
• It is a interactive tool for data transfer.
• Data transfer between legacy system (non-SAP) to SAP once or periodically.
• Key benefits:
– Dramatically reduces the cost and time of migrating data.
– Ensure optimum quality and consistency through import checks.
• Advantages of LSMW:
– Wide ranges of data conversion techniques (fixed values, translation, ABAP coding etc).
– Conversion program generated from conversion rules.
– Consistency in migration.
– Less programming required.
– Platform independent.
– Check data before updating in database.
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3. General Steps in LSMW
• Read the legacy data from one or several files (e.g. spreadsheet tables, sequential files)
• Convert the data from source format to target format.
• Import the data using standard interfaces ( Batch input, BAPI, IDoc).
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4. How LSMW works
One or several
files
Legacy data
on PC
Read data Read data
Structure Legacy data on
application
relations server
Field mapping Convert data
R/3 Standard
Batch Input
Conversion processing
rules
Converted Direct Input
data processing
IDoc inbound
processing
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53. This becomes Work Sheet for Entering Data
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54. Select ‘Text (Tab delimited)’ Save the File with a Name
as File Type
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55. Specify the File Path using F4
Double Click here
Select ‘Tabulator’
Check this
Un Check this
Click here to Proceed
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56. Save and Go Back
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