A daily updated filename extension database!

DR4 file extension

The table below provides useful information about the .dr4 file extension. It answers questions such as:

  • What is the .dr4 file?
  • What program do I need to open a .dr4 file?
  • How can the .dr4 file be opened, edited or printed?
  • How can I convert .dr4 files to another format?

We hope you find this page helpful and a valuable resource!

1 extension(s) and 1 alias(es) found in database

✅ AllyCAD Drawing Document

DR4 file is an AllyCAD Drawing Document. AllyCAD is a CAD software application for 2D and 3D design and drafting, developed and sold by Knowledge Base.
Category: Document files
Application: AllyCAD
Mime-type: application/octet-stream
Magic number: -
Magic string: -
Sample: -
DR4 aliases:
DR4 related links:
DR4 related extensions:

✅ Nicolet 5DX Data

DR1 file is a Nicolet 5DX FTIR Spectrometer Data. Nicolet 5DX is an FTIR spectrometer.
DR1 format description not yet available
Category: Data files
Application: Spectragryph
Mime-type: application/octet-stream
Magic number: -
Magic string: -
Sample: -
DR1 aliases:
dr2, dr3, dr4, dr5
DR1 related links:
DR1 related extensions:
Nicolet OMNIC Data

Nicolet OMNIC Library

LabCognition Panorama Project

LabCognition Panorama Data

LabCognition Panorama Library

Andor SIF Data

Nicolet OMNIC LBT Library

Other types of files may also use the .dr4 file extension.

🚫 The .dr4 file extension is often given incorrectly!

According to the searches on our site, these misspellings were the most common in the past year:

cr4, d4, df4, dr, dre, drr, drt, dt4, fr4, sr4

Is it possible that the filename extension is misspelled?

We found the following similar file extensions in our database:

PSpice Custom Derating
OMA DRM Rights Object XML
Dataphor Source Code
STABCAL Calculation Data
Titan Showfile
Commodore Amiga Multi-palette Image
BioSonics DT-X Data
Omnis Studio Database File
Fractal Explorer Quaternion Spot
SIR Procedure Definitions Data

🔴 Can't open a .dr4 file?

When you double-click a file to open it, Windows examines the filename extension. If Windows recognizes the filename extension, it opens the file in the program that is associated with that filename extension. When Windows does not recognize a filename extension, you receive the following message:

Windows cannot open this file:


To open this file, Windows needs to know what program you want to use to open it...

If you don't know how to set the .dr4 file association, check the FAQ.

🔴 Can I change the extension of files?

Changing the filename extension of a file is not a good idea. When you change a file's extension, you change the way programs on your computer read the file. The problem is, changing the file extension does not change the file format.

If you have helpful information about the .dr4 file extension, write to us!

Browser: Abbreviation Application Archive Audio Configuration Data Development Disk Image Document Ebook Font Game Data GIS Graphic Malware Multimedia Other Project Scam Unknown Video
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