Thanks jcl.

Just tried it, %t works with dataParse, but dataSaveCSV still returns an invalid parameter error. I used below code:

int Records = dataParse(1,Format,InName);
dataSaveCSV (1,Format,"check.csv");

Also thanks a lot for your hint to converting from the Unix time format to the DATE format.

But could you please advise how that can be achieved?
Doesn't dataParse read from csv and convert to t6 directly?
I have no idea where to do the conversion from Unix to DATE.

Thanks