File Extension ZDB File Format Wonder Word Data File ZDB stands for Wonder Word Data File. This was last updated in March 2012 By Margaret Rouse Browse File Extensions Alphabetically: A B C D E F G H I J K L M N O P Q R S T U V W X Y Z # Ask a Question. Find an Answer. Ask your peers a question about this file extension. Ask a Question How can Word use the additional fields of a lookup column? Stop bit problem: USB to Serial Converter attached to motion controller, unable to set for 7-E-2 What is .zdb Zimbra file?