How to write cell after last row

I want read file excel from folder (loop) and write cell in another file excel.

round 1 run completed and correct.
but I have a problem in round 2 , I want to write cell after row in file previous. (in highlight yellow)

image
Please guide me about it.

Hi @fairymemay

Can you try this post,

Thanks
Latika

Read spreadsheet to datatable, this gives easy read-write-access to data, then write back data to spreadsheet.