Comma separated values
From Wikipedia
Export Your address book as CSV-file, and adjust the columns of Your data table as stated in the text above the import form - please delete not necessary columns and implement needed ones.
Select at PHProjekt at the import page the item "Other list“ and enter the file name or search for it on Your hard drive, using the "Search“-button right the input field.
After clicking the symbol the file should be imported.

