Hi Alexander,
I moved to new version 26.5 and here my results:
Please see:
Comparison(left-Csv, right-MapInfoTab)
image.jpg (149.4 KB)
Test data(input/output/QGIS)
5321-Csv-MapInfoTab.zip (42.2 KB)
Thanks,... Comparison(left-Csv, right-MapInfoTab)...