bug in save data non scientific data

When I save data and do NOT select the scientific format
I get
where the e-17 is written in the scientific format
Is this a bug?

I ask this I sort the data file and have not found a successful sort method for data in the scientific format.

please provide data and steps to reproduce.

I am new, how do I upload the data? Is there an e-mail that I could use to send you the data files that you requested?

Small data: use the discourse upload button : a
Big data: use a service like wetransfer