When you export from a Mac, it export to a vcf (or vcard, aka business card) file. Mac exports ALL records to one file, whereas a PC would export one contact to one file.
I would use a vcf to csv converter so I can have a csv file that I can edit. After converting I would open the file (in Excel or whatever you use for spreadsheets) and look at it, clean it up, and then import it into JibberJobber.
On the JibberJobber import page, instead of the default csv option in the dropdown, choose “business card.”
Either file type will import. Csv is just easier to clean and manipulate before the import. The main thing I would do is to add new fields/columns, like SOURCE (“mac import), any tags, rankings, etc. More on that in Step TWO, #4 o this post: http://www.jibberjobber.
(If the vcard import doesn’t work please let us know. We are not a mac shop but our mac users say it works fine )