.QUICKENDATA File Extension
File TypeQuicken Essentials for Mac Data File
What is a QUICKENDATA file?
Financial data format used by Quicken Essentials for Mac, the Mac OS X version of the Quicken personal financial management software; saves financial data for the user, such as account, loan, investment, and transaction information.
NOTE: The Windows version of Quicken uses the .QDF format for user financial data.