All about QEP Files

The QEP file type is primarily associated with Q-DAS EQS.

QEP	File extension: QEP
	File type:	compressed measurement data file

What is a QEP file?

QEP files mostly belong to Q-DAS EQS. QEP files are files used by the Quality Engineering Platform that store measurement data from quality control systems. They are structured as ZIP archives which means the data inside is compressed.
This file type is used mainly to hold 3D surface measurement data that assists in statistical process control in manufacturing environments. The information recorded helps analyze and maintain process quality.
When using a QEP file, you typically open it with dedicated software from Q-DAS EQS or QEV360.
Key details summarized by FilExt.com include:

Data storage: The file uses a ZIP structure to organize raw measurement data and metadata.

Industry focus: It is part of quality engineering systems used in manufacturing for process control.

Accessible structure: Although proprietary, the ZIP format allows knowledgeable users to extract and inspect internal files with general decompression tools.

FilExt.com note: For more information, see the related page at Hexagon Statistical Process Control Software.

How can I open a QEP file?

You need a suitable software like Q-DAS EQS to open a QEP 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 QEP file correctly, try to right-click or long-press the file. Then click "Open with" and choose an application. You can also display a QEP file directly in the browser:. Just drag the file onto this browser window and drop it.

Online QEP Text Viewer

Choose your .qep file to analyze

or drag and drop it here

Online File Viewer

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QEP file format details:

To view or edit QEP files you need to know the file format, because it determines how the data in this file is stored. Often, the file format can be deduced from the file extension or the initial bytes (called the signature). File extension, signature and file format must match; otherwise errors will occur when the file is opened. When there is a problem with a file, the first step to solving it is to determine the file format. Below is our analysis of the QEP files:

As a file extension, QEP isn't very common and mainly uses a special format. The file formats most commonly found in QEP files are:

• 85% of all QEP files use the ZIP format, so several files are combined and compressed into one QEP file. A QEP file contains 2 to 4 files, the average being 2. File names are e.g. QE_Contour_Param.tmp. You can see the included files and images by renaming the file extension to .zip and then double-clicking it. QEP files are between 60 KB and 780 KB in size. The files contain the following words: prfUT and Contour. These files can be linked to roughness, teil, detail and sample.
• 4% of all QEP files start with the magic bytes 01ORD34145001, which are always the first bytes of this file format. The contents of these files can even be read by a human. The files are often between 3 KB and 12 KB in size. These files can be linked to aebweb.

The remaining 11% of all QEP files are files with no common format, such as Profile. Tagged as bsim, will, store or cold. Just click the "Choose your .qep file to analyze" button on this page to find out what your QEP file is.