Hi Mayank,
Need some more information to understand deeply.
1.Which excel version you are using ?
2.what is the Average excel file size ?
3.Is lot of formula used in that workbook?
4.Have you try with same automation in other workbook ( Copy data in fresh workbook, save it and try it )
5.Have you turn off protected mode ?
Thanks
Nilesh
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Nilesh Jadhav
Senior RPA Specialist
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Nilesh Jadhav.
Consultant
ADP,India