The question is about Universal enhancement LRN-13194 - Configurable delimiter for CSV reports per admin/user. Will this be applied to Custom reports (built by SuccessFactors) as well?
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SAP SuccessFactors Learning
Answering to your question this will affect all the reports included the Custom Reports.
This enhancement provide customers with greater flexibility in building PRD custom output files choosing their own delimiter.
LRN-13194, Configurable delimiter for CSV reports in LMS, LMS Reports , KBA , LOD-SF-LMS , Learning Management System , LOD-SF-LMS-REP , Reporting Data , Product Enhancement