Quicken Data File Set Extensions & How To Open Data Files In Windows, Mac, And DOS

Quicken / By / April 7, 2022

A file extension is a group of characters used at the end of a filename. Similarly, the type of Quicken file extension are as follows: .qel, .qdf, .qph, .qsd, .qdt and many more discussed in this article. All these extensions are named according to the function they perform but Windows uses a default program to open the file. When that specific application is not existing on your computer, you may face related file opening issues. Go through the article to learn all Quicken data file set extensions & learn to open data files in windows, mac, And DOS. For more details contact us toll-free: +1-844-405-0904

Quicken Data File

Quicken Data File Set Extensions:

There is a list provided below are Quicken data file set extensions for Windows, MAC, and DOS. Therefore, the first file is known as the primary data file or QDF. All of the other extensions are auxiliary files in which supporting data has been present like tax file information or online banking setup. Now, Quicken 2010 or newer has no auxiliary files.

Quicken 2015 and Newer:

QDF (primary file)

Basically, the QDF format stores account balances, portfolios, transactions, and other information. Also, QDF is used for the primary data files generated by Quicken personal finance software. Quicken is used a QDF file to create automatically other files. Such as QEL, QSD, QPH, and also QTX extensions. But only if the QDF file is valid.

QDF is also known as a financial data format. You can use it for Quicken personal finance software to save the accounts, balance information, and transactions, portfolios, and also other related files. You can call these .qdf files Quicken financial data files also.

The .qdf file extension is developed by Intuit, Inc. which is used for the data file format for the accounting and financial tools. These files are generated by Quicken and generated files are also called financial and accounting data files. Quicken is a personal finance management software created by Intuit, Inc.

This software provides tools to users for encoding, calculating, and manage their financial records and tax details. Directory of these files are: C:\Users\[User Name]\My Documents\Quicken\ . Also, a user can take a backup of these files in their pen drive, CD, DVD, ROMs, etc. because these files are very important files.

HOW TO OPEN A.QDF FILE?

  • By double-clicking the .qdf file launch it.
  • If your file is associated properly then the software, which is used to open the .qdf file, will open the file.
  • For the opening of the .qdf file, you have to download or purchase the particular software or application.
  • It also happens with you that you have installed correct software but the .qdf file is not associated properly with it.
  • For opening a .qdf file you can tell windows about the correct application of the file and then the .qdf file will open with the correct software

APPLICATIONS THAT OPEN A .QDF FILE:

Intuit Quicken 2013 is an application or software used to open the .QDF 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

QEL files are used as data files in which account setup information or list of banking institutions and login are used to download account data on the internet. This file is saved in QEL format and affixed with .qel. They also store past downloaded transactions and online payments. If QEL files are deleted, they will automatically generate these files the next time when the online bank connection is established.

Launch A .QEL FILE?

Launch a .qel file by double-clicking it. To open a .qel file you need to purchase software through which you can open the .qel file. If your .eqel are associated properly then there is an error occur and the file would be easily opened.

APPLICATIONS THAT OPEN A .QEL FILE

Intuit Quicken 2013

NOTE: If you can’t access the online quicken data or finding any error then the QEL file must be deleted. The QEL file is created automatically the next time when you establish a bank connection.

Can’t open a .qel file?

When you wanna open a file by double click it, windows find the filename extension. File open only when windows recognize the file extension. If windows do not recognize the filename extension then you receive a message like windows can’t open this file
abc.qel
To avoid this error your needs proper association

  • Open Control Panel > Control Panel Home > Default Programs > Set Associations.
  • Select a file type in the list and click Change Program.
  • And also your file cannot open when you misspelled the filename extensions or file extension is given incorrectly.

QPH File

QPH is Quicken price history and its extension is .qph. This file is used by the Quicken software. This QPH store the records of the list of prices that is manually enter or download for investments by the Quicken account. These files providing past history prices of stock prices. These files saved separately form QDF file and located in the Quicken program folder.

HOW TO OPEN A .QPH FILE?

QPH file is opened by double-clicking it and if your file is associated properly in their quicken file location or by the correct extension. You need a software to open the QPH file. For opening a QPH file you have to open it in the correct application.

APPLICATIONS THAT OPEN A .QPH FILE

  • Intuit Quicken 2013

IDX File

Your IDX file is an extension that is used to increase the speed of searching in the database to fastly fetch and sort files in directories. IDX files majorly used in movie files and DVDs for the subtitles. IDX file contains the text of subtitles for the movie when showing each subtitle during the movie. The files are saved with.AVI and .MKV files. Mostly OS systems automatically open the IDX files but if your IDX file can’t open then you can use Video LAN VLC media player to open the IDX file.

Opening IDX Files: Method:- 1

  • Double-click on the IDX file. The file will open in Notepad or Text Edit.
  1. If QSD can’t open, go to the next step.
  • Right-click on the IDX file, and select “Open With.”
  1. On Mac OS X, select “Get Info,” then click on “Open With.
  • Select any text editing program(WordPad, Notepad, and TextEdit)) which is installed on your pc.
  1. If the IDX file still can’t open, go to the next step.
  • Now Right-click on IDX file & select “Properties” or “Get Info.”
  • Review the file details to identify the origin of the IDX file.
  • Launch the program which created the IDX file, then open the IDX file using the program.
  1. If your file still can’t open then follow the method 2

Method 2:

Using VideoLAN VLC Media Player

  • Visit at http://www.videolan.org/.
  • Download VideoLAN VLC media player to your Windows or Mac computer.
  • To launch the VideoLAN installation wizard Double-click on the installer file, & follow on-screen pop-ups to install the media player on your pc.
  • At the Upper part of the VideoLAN, session Click on “Media”, & select “Open File.”
  • Click on “Browse,” then navigate to the IDX file you want to be opened.
  • Select the IDX file, then click on “Open.”
APPLICATIONS THAT OPEN A .IDX FILE:
  • CyberLink PowerDVD 12
  • VideoLan VLC Media player

Quicken 2004

  • QDF (primary file)
  • QSD

Quicken data file is stored with .qsd extension and is used by quicken software. This type of file was created by quicken contains financial data. This file can be backed up across with.QDF, .QPH, and.QEL files. This file will find only in Quicken 2004 or newer versions. These files are located in C:\QuickenW or C:\Program Files\Quicken or C:\Program Files\Intuit\Quicken.

HOW TO OPEN A .QSD FILE?

  • Double-click on the QSD file. The file will open in Notepad or TextEdit.
  1. If QSD can’t open, go to the next step.
  • Right-click on the QSD file, and select “Open With.”
  1. On Mac OS X, select “Get Info,” then click on “Open With.
  • Select any text editing program (WordPad, Notepad, and TextEdit) which is installed on your pc.
  1. If the QSD file still can’t open, go to the next step.
  • Now Right-click on QSD file & select “Properties” or “Get Info.”
  • Review the file details to identify the origin of the QSD file.
  • Launch the program which created the QSD file, then open the QSD file using the program.

APPLICATIONS THAT OPEN A .QSD FILE

Intuit Quicken 2013

  • 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)

QDB stands for Quicken Data Backup. This file is created by quicken 5 and 6. This file contains the user’s personal financial data in a proprietary format. Now, this file is replaced to the QDF format in Quicken 9, 8, and quicken upgrade versions.

HOW TO OPEN A .QDB FILE?

  • Double-click on the QDB file. The file will open in Notepad or TextEdit.
    • If QDB can’t open, go to the next step.
  • Right-click on the QDB file, and select “Open With.”
    • On Mac OS X, select “Get Info,” then click on “Open With.
  • Select the correct application which is installed on your pc.
    • If the QDB file still can’t open, go to the next step.
  • Select “Properties” or “Get Info by right-clicking on the file QDB.”
  • To identify the origin of the QDB file, review the file details.
  • Launch the program which created the QDB file, then open the QDB file using the program.

And also your file cannot open when you misspelled the filename extensions of file extension is given incorrectly.

  • QSD
  • QEL
  • QMD

When you open QMD file windows examine the filename extension. If it recognizes the extension then the file is opened. When windows don’t find a filename extension you receive a message that windows can’t open this file.

To avoid this error your file should be associated properly

  • Go to Control Panel > Control Panel Home > Default Programs > Set Associations.
  • Select a file type & click Change Program.

HOW TO OPEN A .QMD FILE?

  • Double-click on the QMD file. The file will open in Notepad or TextEdit.
    • If QMD can’t open, go to the next step.
  • Right-click on the QMD file, and select “Open With.”
    • On Mac OS X, select “Get Info,” then click on “Open With.
  • Select the correct application which is installed on your pc.
    • If the QMD file still cants open, go to the next step.
  • Now select “Get info” or “Properties by Right click on QMD file.
  • To determine the origin of the QMD file Review all the files details.
  • Launch the program which created the QMD file, then open the QMD file using the program.

POSSIBLE PROBLEMS WITH THE FILES THAT ARE IN THE QMD FORMAT

  • Your QMD file is corrupted.
  • Incorrect links to QMD files.
  • deletion of the description of QMD from the Windows registry accidentally.
  • Installation problem of an application.
  • The QMD file is infected with the virus.
  • The drivers of your computers are outdated.

QDT (primary file)

The file used by quicken 3 and 4 and called a financial data file. This file is used for the sorting of users’ financial data. Now QDT is replaced by QDB in 98, 99, and 2000. And further replaced by QDF in the latest versions.

HOW TO OPEN A .QDT FILE?

  • Double-click on the QDT file. The file will open in Notepad or TextEdit.
    • If QDT can’t open, go to the next step.
  • Right-click on the QDT file, and select “Open With.”
    • On Mac OS X, select “Get Info,” then click on “Open With.
  • Select the correct application which is installed on your pc.
    • If the QDT file still can’t open, go to the next step.
  • Now Right-click on QDT file & select “Properties” or “Get Info.”
  • Review the file details to identify the origin of the QDT file.
  • Launch the program which created the QDT file, then open the QDT file using the program.

QMT File:

Files that have .qmt extension are also known as Win3 Quicken Windows files.

HOW TO OPEN A .QMT FILE?

  • Double-click on the QMT file. The file will open in Notepad or TextEdit.
    • If QMT can’t open, go to the next step.
  • Right-click on the QMT file, and select “Open With.”
    • On Mac OS X, select “Get Info,” then click on “Open With.
  • Select the correct application which is installed on your pc.
    • If the QMT file still can’t open, go to the next step.
  • Now Right-click on QMT file & select “Properties” or “Get Info.”
  • Review the file details to identify the origin of the QMT file.
  • Launch the program which created the QMT file, then open the QMT file using the program.

Other Useful Articles:

PROGRAM(S) THAT CAN OPEN THE .QMT FILE:

Windows

  • Quicken

POSSIBLE PROBLEMS WITH THE FILES THAT ARE IN THE QMT FORMAT

  • Your QMT file is corrupted.
  • Incorrect links to QMT files.
  • Deletion of the description of QMT from the Windows registry accidentally.
  • Installation problem of an application.
  • The QMT file is infected with the virus.
  • The drivers of your computers are outdated.

QST File

HOW TO OPEN A .QST FILE?

  • Double-click on the QST file. The file will open in Notepad or TextEdit.
    • If QST can’t open, go to the next step.
  • Select “Open With by Right-click on QST file.
  • Select the correct application which is installed on your pc.
    • If the QST file still can’t open, go to the next step.
  • Now Right-click on QST file & select “Properties” or “Get Info.”
  • Review the file details to identify the origin of the QST file.
  • Launch the program which created the QST file, then open the QST file using the program.

QDI File:

HOW TO OPEN A .QDI FILE?

  • Double-click on the QDI file. The file will open in Notepad or TextEdit.
    • If QDI can’t open, go to the next step.
  • Right-click on the QDI file, and select “Open With.”
    • On Mac OS X, select “Get Info,” then click on “Open With.
  • Select the correct application which is installed on your pc.
    • If the QDI file still can’t open, go to the next step.
  • Now Right-click on QDI file & select “Properties” or “Get Info.”
  • Review the file details to identify the origin of the QDI file.
  • Launch the program which created the QDI file, then open the QDI file using the program.

POSSIBLE PROBLEMS WITH THE FILES THAT ARE IN THE QDI FORMAT:

  • Your QDI file is corrupted.
  • Incorrect links to QDI files.
  • deletion of the description of QDI from the Windows registry accidentally.
  • Installation problem of an application.
  • The QDI file is infected with the virus.
  • The drivers of your computers are outdated.

QNX File

HOW TO OPEN A .QNX FILE?

  • Double-click on the QNX file. The file will open in Notepad or TextEdit.
    • If QNX can’t open, go to the next step.
  • Now select “Open With” by Right-click on the QNX file.
  • Select the correct application which is installed on your pc.
    • If the QNX file still cants open, go to the next step.
  • Now Right-click on QNX file & select “Properties” or “Get Info.”
  • Review the file details to identify the origin of the QNX file.
  • Launch the program which created the QNX file, then open the QNX file using the program.

Can’t open a .QNX file?

When wanna open a file by double click it, windows find the filename extension. File open only when windows recognize the file extension. If windows do not recognize the filename extension then you receive a message like windows can’t open this file

abc.qel

To avoid this error your needs proper association

  • Open Control Panel > Control Panel Home > Default Programs > Set Associations.
  • Select a file type in the list and click Change Program.

And also your file cannot open when you misspelled the filename extensions of file extension is given incorrectly.

Quicken Win 1 and 2 (DOS 3-5)

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

Quicken DOS 2*:

QCH File:

Basic information about the QCH file:
QCH file format is created by Intuit Inc. It stands for Quicken DOS Data. QCH files are one of the files of many files category.

What else may cause problems?

There are many reasons which identify that you can’t open your file properly.
First -QCH file you want to open may not link with the software that installs to support the file. You need to change the association by yourself.
Second – The file you wanna open is damage. The only solution to this problem is that you have to download again that file from the same source.

HOW TO OPEN A .QCH FILE?

  • Double-click on the QCH file.
    • If QCH can’t open, go to the next step.
  • Right-click on the QCH file, and select “Open With.”
    • On Mac OS X, select “Get Info,” then click on “Open With.
  • Select the correct application which is installed on your pc.
    • If the QCH file still can’t open, go to the next step.
  • Now Right-click on QCH file & select “Properties” or “Get Info.”
  • Review the file details to identify the origin of the QCH file.
  • Launch the program which created the QCH file, then open the QCH file using the program

QIX File:

HOW TO OPEN A QIX FILE?

If you don’t know what to do when your QIX file is not open? There may be many reasons for this condition. The most popular reason is that you are not installing the proper application on your pc or your pc hasn’t the correct application. For the solution you need to follow these steps:

  • Download the correct application which is suitable to Your file.
  • Install it on your pc.
  • Set your installed application as the default application for opening the QIX file.

Also due to some reasons, your file cannot open:

  • Maybe because of the corruption of your file.
  • A file may be infected by the virus.
  • Accidentally deletion of your QIX file.
  • Incorrect association of your file with an application
  • Driver updating.

QML File:

QML file is a language file. It is used by Qt SDK. Its a desktop, mobile, and UI development framework for C++ and QML languages. It contains javascript-based QML source code. Basically, you can use it for developing components. buttons and mobile applications.

HOW TO OPEN A .QML FILE?

  • By double-clicking, it executes your QML file.
  • The software which is used to open the .qml file will open the file if your file is associated properly.
  • For the opening of the .qml file, you have to download or purchase the particular software or application.
  • It also happens with you that you have installed correct software but the .qml file is not associated properly with it.
  • For opening a .qml file you can tell windows about the correct application of the file and then the .qml file will open with the correct software.

Quicken DOS 1*

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

For each account have these three files Quicken DOS 1 creates a subdirectory such as 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: Used for transaction attachment with quicken file.
  • Validate: In Quicken file, For holding the pre-validation temporary copies and Data_Log.txt file (results of the Validate).
  • Backup: Storing automatic backups created by quicken

A WORD OF WARNING
Make sure you don’t rename the file extension. It will not convert your file into another type so only special software can change or convert your file into another type.

Get additional information or help regarding Quicken Data File Extensions, call our toll-free Quicken support number +1-844-405-0904

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