I have a problem importing user from a csv file

I first exported one user into an excel sheet in order to understand the field names.
Then I saved the excel sheet as csv and deleted the columns I didnt need (wrong?)
Then I filled the fields with my users information.

As I tried to import the cvs file I got only errors back - CB said
"*Cannot import row xxx because: *Missing required information: name, username, or email**"

 

But the required information in the required filds is certainly there.
Is there possibly a format I need to take into concern in regards to the three mentioned fields?

name: I use      "Firstname Familyname" (textfield)
Email:               full Emailadress   (textfield)
username:       "x_familyname"    (textfield)

Or does anyone recognise what I might have done wrong?

Kindly
Peter
 

I believe I see a possible bug with only providing "name". Try providing "firstname" and "lastname" instead.