Converting time stamps in excel to dates

Question

I have a very large excel spread sheet that has a column of time stamps. Does anyone know convert that over to a date? Is there a function I can use? I tried format cell dat

Answer 1

below formula worked form me in MS EXEL

=TEXT(CELL_VALUE/24/60/60/1000 + 25569,"YYYY-MM-DD HH:MM")

CELL_VALUE is timestamp in milliseconds

here is explanation for text function.