Thank you, wellread1. As I have erased the CSV-file immediately after importing for security reasons, I can't compare it any more. But if there is an opportunity again, I'll have a look on it earlier.
Hello, when KeePass can't process some rows from a CSV-file, what happens? On two computers, I exported CSV from MSecure, then edited it with LibreOffice and finally imported it with the Generic CVS importer. For both times I had the strange effect, that after a while we found out, that a handful of entries was missing. Unfortunately I can't say if MSecure didn't export everything or the Keepass import dropped them. (I don't think it's a sync problem.)