Thanks for the explanation and apologies - I've not had much chance to 'play' with the tool exporting as I'd like, I've had far too much to do otherwise so didn't initially recognize the file type
I've tested using your files and have reproduced this here. I've created an internal development ticket to track the issue (RT-3856
Sincere apologies for the inconvenience!
If posting files to this forum, you must archive the files to a ZIP, RAR or 7z file or they will not be uploaded.