Rated 5 out of 5 stars

Up until v2.2.1, I was able to open eml files and use PrintingTools NG to fine tune my printing. In v2.2.2, the PrintingTools NG option is not available for eml files.

This review is for a previous version of the add-on (2.2.2). 

Thanks for the review, sorry for the issue.
I have beta I am working on. You can track it in the code issues / repository .
Should be able to get into the next beta.
https://github.com/cleidigh/printing-tools-ng/issues

Christopher