Opening a D2 File

The D2 file type is primarily associated with BrainVision Analyzer.

D2	File extension: D2
	File type:	data file

What is a D2 file?

D2 files mostly belong to BrainVision Analyzer. A D2 file format is used to store EEG data, which means it holds recordings of brain signals. It is a specialized format that is typically read by programs like BrainVision Analyzer. These files are designed for work in research and clinical settings where brain activity is recorded and analyzed.
Usage details include:

EEG Data Storage: The file saves readings from brain sensors.

Proprietary Format: Only specific programs can open and work with the data.

Analysis Ready: They contain information needed for later data analysis.

FilExt.com tip: To view or analyze a D2 file, open it with a compatible program. More details are available on the official site at BrainProducts.

How can I open a D2 file?

You need a suitable software like BrainVision Analyzer to open a D2 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 D2 file correctly, try to right-click or long-press the file. Then click "Open with" and choose an application. You can also display a D2 file directly in the browser:. Just drag the file onto this browser window and drop it.

Online D2 Text Viewer

Choose your .d2 file to analyze

or drag and drop it here

Online File Viewer

✈

Read our privacy guarantee in Filext’s terms and privacy policy

Please allow ads on our site

This helps us keep our servers running. Then re-upload your file to view it.

Click here to see how to disable the ad blocker for filext.com

Programs that open and convert D2 files:

BrainVision Analyzer
See the previous paragraphs to learn more about the main application. D2 files are often referred to as BrainVision Analyzer data files because this type of file is primarily created or used by this software.
Diablo II (Character Data File) by Blizzard Entertainment
The Zonfire editor is supposed to be able to edit these files for V1.09D and V1.10. Back them up before attempting any edit. This file format is classified as Game. Related links: Zonfire Editor, Diablo 2 Trading Post
Progress (Database File) by Progress Software Corporation
Should also be an associated .B2 file.

Technical Data for D2 File Extension

File classification:

Data

Related files:

vhdr, vmrk, eeg, edf, set, d1, d3, d-2, d2s, d4, mp3, exe, mp4, sss, ma2

Related links:

Zonfire Editor, Diablo 2 Trading Post

The following listing is compiled from the database produced by the 'Associate This!' program, selected data from the main FILExt database and file extension information submitted by users.

ProgramID: QuickTime.sd2
EXEFile: %ProgramFiles%\QUICKT~1\QuickTimePlayer.exe %1

a d2 data file is a special file format and should only be edited and saved with the appropriate software.

How to solve problems with D2 files

Associate the D2 file extension with the correct application.
Update your software that should actually open data files. Because only the current version supports the latest D2 file format. Search, therefore, e.g. on the manufacturer website after an available BrainVision Analyzer update.
To make sure that your D2 file is not corrupted or virus-infected, get the file again and scan it with Google's virustotal.com.
Click here to open your .D2 file online - secure, fast, and no downloads needed.