Create a separate workbook for each unique bill number,

[ppr (Peter Preuss)]

@CHINH_TRANTAN

For each unique bill number found in column E, create a separate Excel workbook.

it is about groping data on column “E”
[HowTo] Overview on different options for grouping data and processing the groups - News / Tutorials - UiPath Community Forum

in above options we present a Non-LINQ and a LINQ approach