Opening a QDP File

The QDP file type is primarily associated with QDA Miner.

QDP	File extension: QDP
	File type:	project file

What is a QDP file?

QDP files mostly belong to QDA Miner. QDP files have two main uses. They can serve as QDA Miner project files or as label design files.

QDA Miner project files: These files store qualitative data analysis projects. They are built as ZIP archives that hold project data, codes, memos, and settings. They are created and managed by QDA Miner software from Provalis Research.

Label design files: Some QDP files are used to save design data for labels. This format is associated with software from Quick Draw Meto designed for label layout and printing.

FilExt.com notes: To open and view a QDP file, choose the program that matches its purpose. If it is a QDA project file, use QDA Miner. If it is a label design file, use the corresponding label design software. Advanced users can extract the contents of the ZIP container to inspect its internal structure.

How can I open a QDP file?

You need a suitable software like QDA Miner to open a QDP file. Without proper software you will receive a Windows message "How do you want to open this file?" or "Windows cannot open this file" or a similar Mac/iPhone/Android alert. If you cannot open your QDP file correctly, try to right-click or long-press the file. Then click "Open with" and choose an application. You can also display a QDP file directly in the browser:. Just drag the file onto this browser window and drop it.

Online QDP Text Viewer

Choose your .qdp file to analyze

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QDP file extension format:

If you can determine the file format, the associated program can also be determined. The initial characters of a file are called signature, sometimes also referred to as "magic bytes". The signature can be used to infer the file format. If the file extension does not match the file format, double-clicking on the file will cause an error upon opening. If there are problems opening a file, you must first determine the file format used. Our analysis of the QDP files produces the following result:

The QDP file extension is not common and covers different formats for different programs. However, the following two file formats are common:

• 40% of all QDP files use the ZIP format, so several files are compressed and saved in one QDP file. Such a ZIP file contains 8 to 9 files with names like QDAProj.DBF, QDAProj.FPT, QDAProj.STR, QDAProj.SUP, QDAProj.WPJ, QDAProj.str.bak, QDAProj.vlb.bak, QDAProj.wpj.bak and QDAproj.VLB. If you want to see the included files and images, simply rename the file extension to .zip and double-click it. QDP files can be up to 5 MB in size, but are often around 9 KB - 560 KB. The files contain the following words: QDAProj.FPT and QDAProj.DBF. Files like these are sometimes connected to analysis and coding.
• 30% of all QDP files start with the bytes Quick Draw Meto Design File v4.80, which are crucial for this file format. The contents of these files cannot be read by a human; only a computer program can interpret the data. QDP files can be up to 970 KB in size, but are often around 3 KB - 90 KB. The files contain the following words: Quick Draw Meto Design File v4.80. These files are often associated with person-related data.

The remaining 30% of all QDP files are files with no common format, often e.g. viewport and READ. These files sometimes refer to hist, interview or data. If you want to find out what your QDP file contains, drag and drop it onto this page.