Can I change the date format in the PDF when converting email files (msg, eml)?

Yes, this is possible when you have an account (free or paid).

Dateformat in PDF after conversion eml and msg files

1) Login at PDFen.com

2) Go to  "My preferences"

3) Choose the deisred dateformat

Go to preferences

 

Set dateformat in my preferences

After save you should see this date format after convering email files (*.eml or *.msg) files