This LSMW guide meets requirement from the business to upload the mass data in SAP system. Legacy System Migration Workbench (LSMW) can be used for this activity, which is a handy tool for data uploads.
This document is real handy for a functional consultant to know LSMW and it would help them to successfully complete the task.
A scenario to upload Date of birth for 100 employees in IT 0002 is covered in this step-by-step LSMW manual.
Download – LSMW Guide: Upload Bulk Data in SAP HR System