Hello @NandanHegde-7720 ,
You mentioned that you want to convert 2020-06-24T10:30:54.6451783Z to yyyy-MM-ddTHH:mm:ss with trailing z , then it should be 2020-06-24T10:30:54Z and not 2020-06-24T10:30:54.64Z .
If my understanding is right I used the below expression in ADF and it worked for me .
@formatDateTime('2020-06-24T10:30:54.6451783Z', 'yyyy-MM-ddTHH:mm:ss')
Please do let me know how it goes .
Thanks & stay safe
Himanshu
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