If I don't want to risk damaging any of the 100 columns I have, what are the minimum columns I can import and still get CBjuice to import? username and email + my other edited columns?
Essentially, you need the column you are keying on (usually username) and whatever else you are changing. I always edit the minimum number of columns. It keeps life simpler. I usually leave the name fields in for reasons of documentation and the email.
ok, so if I need to edit just one column, I download the CSV, delete all columns except the one I'm editing and the username. Then I retain the field title in the top row and then import. Correct?
Just to make sure that no bugs had come in, I ran a simple test updating just city and that worked fine. I tend to keep the username fields in for documentation purposes and almost never update the password.
kind of a lot more work, but it might be beneficial to add a page where all of the fields which can be exported are listed as checkboxes. The username would be grayed out since it's required. the user then checks which fields he'd like to download. I think most people use CBjuice to edit fields - at least I do. That'd go along way to reduce errors in formatting. I accidentally rehashed all of my passwords last week and this week all of my dates were reformatted. All I needed to do was change one field though. was kind of a nightmare and made me look bad to my client. Not your fault though. Just a suggestion.