How to Convert an Address Book ABBU File to CSV. ABBU is the native file type for the Mac OS X Address Book, which means that you can only open ABBU files using the Mac Address Book application.

Learn how to import or export data from a Text file to convert a Text (.txt or .csv) file into an Excel (.xlsx) spreadsheet easily using this procedure.

If you need to convert that file from CSV to JSON, you can do that with the csvjson command like so: csvjson clients.csv > clients.json Csvkit has a couple of other handy tricks up its sleeve.

What is a CSV file and how to open .csv file? Computers, phones, etc. are great for storing different types of files which are in different formats according to their use.

What is a CSV file and how to open .csv file? Computers, phones, etc. are great for storing different types of files which are in different formats according to their use.