Quote Originally Posted by mc12345678 View Post
Does this occur on export followed by immediate import of the same file, or only after saving the file from the spreadsheet editor?

The cause of this appears to be that the file was stored using latin1, while your store is using or capable of using utf8.
No issue with export/import file. I am trying to find out how I can change the Openoffice csv file to utf8, but so far I don't see anything.