Hi Alexander,
I moved to new version 26.5 and here my results:
Please see:
Input(.csv) not same like output (MapInfoInterChange)
image.png (122.2 KB)
Test data(input/output/QGIS)
5162-Csv-MapInfoInterChange.zip (…... Adjust the list if you have other separators...returns a character from the list {',', ';', '\t', '|', ' '} based...