There are 10 other file types using
the HDR file extension!

empty icon.hdr - Procomm Plus message header

empty icon.hdr - DataFlex header data

empty icon.hdr - ArcView header data

hdr icon.hdr - Radiance map

empty icon.hdr - InstallShield setup header

empty icon.hdr - MicroSim PCBoard hole-drill schedule report

empty icon.hdr - Photomatix HDR image

empty icon.hdr - ENVI header data

empty icon.hdr - Transport Fever texture

empty icon.hdr - Mail.dat header data

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HDR file extension - Microsoft IIS Server NNTP header data

What is hdr file? How to open hdr files?

File type specification:

Various data file type icon Various data file type

The hdr file extension is related to the Microsoft IIS (Microsoft Internet Information Services) an extensible web server for Microsoft Windows system.

The hdr file contains NNTP (Network News Transfer Protocol) header data.

The default software associated to open hdr file:

Microsoft Internet Information Services picture or screenshot

Microsoft Corporation logoMicrosoft Internet Information Services  Microsoft Windows software

Company or developer:
Microsoft Corporation

Microsoft Internet Information Services (IIS) is web server application distributed with Microsoft Windows Server as well as some editions of Microsoft Windows. IIS supports HTTP, HTTPS, FTP, FTPS, SMTP and NNTP protocols.

Help how to open:

This file type is not meant to be opened directly, there is no software that could open and work with it directly, or there is no information available in public sources about opening this file type. This is usually the case of some internal data files, caches, temporary files etc.

How to convert:

As far as we know, this .hdr file type can't be converted to any other file format. This is usually the case of system, configuration, temporary, or data files containing data exclusive to only one software and used for its own purposes. Also some proprietary or closed file formats cannot be converted to more common file types in order to protect the intellectual property of the developer, which is for example the case of some DRM-protected multimedia files.

List of software applications associated to the .hdr file extension

Recommended software programs are sorted by OS platform (Windows, macOS, Linux, iOS, Android etc.)
and possible program actions that can be done with the file: like open hdr file, edit hdr file, convert hdr file, view hdr file, play hdr file etc. (if exist software for corresponding action in File-Extensions.org's database).

Hint:
Click on the tab below to simply browse between the application actions, to quickly get a list of recommended software, which is able to perform the specified software action, such as opening, editing or converting hdr files.

Programs that can create hdr file - Microsoft IIS Server NNTP header data

Programs supporting the exension hdr on the main platforms Windows, Mac, Linux or mobile. Click on the link to get more information about Microsoft Internet Information Services for create hdr file action.

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