Quicken Data File Set Extensions

Product Version
Mac
Windows
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The following lists provide the Quicken data file set extensions in Windows, Mac and DOS. The first file listed is the primary data file. The other extensions are auxiliary files that contain supporting data, such as online banking setup or tax profile information. Please note, from Quicken 2010 for Windows and newer, there are no auxiliary files.

Quicken 2015 and newer

  • QDF (primary file)

Quicken for Mac

  • Quicken[version year] (example: myfinances.quicken2017)

Unsupported Versions

Quicken 2010, 2011, 2012, 2013, and 2014

  • QDF (primary file)

Quicken 2005, 2006, 2007, 2008, and 2009

  • QDF (primary file)
  • QEL
  • QPH
  • IDX

Quicken 2004

  • QDF (primary file)
  • QSD
  • QEL
  • QPH
  • IDX

Quicken 2001, 2002, and 2003

  • QDF (primary file)
  • QSD
  • QEL
  • QPH

Quicken 98, 99, and 2000

  • QDF (primary file)
  • QSD
  • QEL

Quicken Win 5 and 6

  • QDB (primary file)
  • QSD
  • QEL
  • QMD

Quicken Win 3 and 4 (DOS 6-8)

  • QDT (primary file)
  • QMT
  • QST
  • QDI
  • QNX

Quicken Win 1 and 2 (DOS 3-5)

  • QDT (primary file)
  • QMT
  • QDI
  • QNX

Quicken DOS 2*

  • QCH
  • QIX
  • QML

*There is one of each of these files for each account in the data set (for example, Checking.QCH, Savings.QCH, Checking.QIX, and so on).

Quicken DOS 1*

  • CHECKREG.DAT
  • PICTURE.DAT
  • ADDRESS.DAT

*Quicken DOS 1 creates a subdirectory for each account containing these three files (for example, C:\Quicken\Checking\CHECKREG.DAT).

Add-ons

  • Quicken Home Inventory: Qhi.idb
  • Address Book (in QDF after Quicken 99): ABD
  • QuickPay Windows 3.0 (unsupported): QPD
  • Quicken Financial Planner (unsupported): QFP
  • Quicken Rental Property Manager v2 (unsupported): QRP

Additional Folders

  • Attach: For transaction attachments associated with a Quicken file.
  • Validate: For holding the Data_Log.txt file (results of the Validate) and pre-validation temporary copies of the Quicken file.
  • Backup: For holding automatic backups created by Quicken, and (if desired) by the Quicken user.
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