Filename Extensions
If you are seeking information about file extensions, then you are in the right place at right time.

Details of extension .hdr

11 extension(s) and 1 alias(es) in our database

Below, you can find answers to the following questions:

  • What is the .hdr file?
  • Which program can create the .hdr file?
  • Where can you find a description of the .hdr format?
  • What can convert .hdr files to a different format?
  • Which MIME-type is associated with the .hdr extension?
.hdr
Microsoft IIS NNTP Header Data .hdr file icon

Microsoft IIS NNTP Header Data

HDR file is an IIS NNTP Header Data. It is an internal data structure file for NNTP service.
Detailed description not available
Category: Data files
Application: Microsoft IIS Server
Program name: -
Mime-type: application/octet-stream
Magic bytes (HEX): -
Magic string (ASCII): -
Aliases:
-
Links:
-
Related extensions:
Microsoft IIS NNTP Subject Lists
Microsoft IIS Metabase Backup
Microsoft IIS Schema Backup
.hdr
Mail.dat Header File .hdr file icon

Mail.dat Header File

HDR file is a Mail.dat Header File. Mail.dat is the standard embraced by a significant portion of the mail production industry and the US Postal Service. Mail.dat is a relational database of nineteen "connected" files describing each characteristic that can exist within a mailing.
Detailed description not available
Category: Data files
Application: PostalOne!
Program name: -
Mime-type: application/octet-stream
Magic bytes (HEX): -
Magic string (ASCII): -
Aliases:
-
Links:
-
Related extensions:
Mail.dat Container Quantity Data
Mail.dat Mail Piece Unit File
Mail.dat Postage Account File
Mail.dat Component File
Mail.dat Container Summary File
Mail.dat International Container Label File
Mail.dat Package Quantity File
Mail.dat Walk Sequence File
Mail.dat Package Label File
.hdr
DataFlex Database Header .hdr file icon

DataFlex Database Header

HDR file is a DataFlex Database Header. DataFlex is an advanced object-oriented 4GL designed for developing database applications in character mode environments.
Detailed description not available
Category: Data files
Application: DataFlex
Program name: -
Mime-type: application/octet-stream
Magic bytes (HEX): -
Magic string (ASCII): -
Aliases:
-
Links:
-
Related extensions:
DataFlex Query Tag
DataFlex Database File
DataFlex Compressed Database
DataFlex Registration Data
DataFlex Business Process Object
DataFlex Web Business Object
DataFlex Compiled Binary
DataFlex Web Object
DataFlex Data Dictionary
.hdr
HDRi Image .hdr file icon

HDRi Image

HDR file is a HDRi Image. The HDRi data format is a 64bit (color) or 32bit (greyscale) data format for saving RAW data of HDR scans including infrared data developed by LaserSoft Imaging.
Category: Graphic files
Application: XnView
Program name: -
Mime-type: application/octet-stream
Magic bytes (HEX): -
Magic string (ASCII): -
Aliases:
hdri
Links:
-
Related extensions:
-
.hdr
ArcGIS ASCII Header .hdr file icon

ArcGIS ASCII Header

HDR file is an ArcGIS ASCII Header.
Category: GIS files
Application: ArcGIS
Program name: -
Mime-type: application/octet-stream
Magic bytes (HEX): -
Magic string (ASCII): -
Aliases:
-
Links:
Related extensions:
ArcInfo Binary Coverage
ArcInfo Band Interleaved by Line Image
ArcInfo Band Interleaved by Line Image
ArcInfo Band Sequential Image
ArcInfo ASCII Export
Geography Markup Language Document
MapInfo Table Document
FME Document
FME Feature Store
.hdr
HAHTsite Site Configuration Data .hdr file icon

HAHTsite Site Configuration Data

HDR file is a HAHTsite Site Configuration Data. HAHTsite was a multiplatform product for Web-site application developers.
Detailed description not available
Category: Configuration files
Application: HAHTsite IDE
Program name: -
Mime-type: application/octet-stream
Magic bytes (HEX): -
Magic string (ASCII): -
Aliases:
-
Links:
-
Related extensions:
HAHTsite HAHTtalk Project
HAHTsite Java Project
HAHTsite HAHTtalk Widgets Data
HAHTsite HAHTtalk Basic Object Data
HAHTsite HAHTtalk Basic Code Page
HAHTsite Project
HAHTsite Project Folder Data
HAHTsite Project Dependencies Data
HAHTsite Dynamic Server-side Image Map
.hdr
InstallShield Setup Header .hdr file icon

InstallShield Setup Header

HDR file is an InstallShield Setup Header. InstallShield is a software tool for creating installers or software packages.
Detailed description not available
Category: Data files
Application: InstallShield
Program name: -
Mime-type: application/octet-stream
Magic bytes (HEX): -
Magic string (ASCII): -
Aliases:
-
Links:
-
Related extensions:
Universal Installer Project
InstallShield Express File
InstallShield Setup Project
InstallShield Uninstall Information
InstallShield Log
Toolbook Package Definition
InstallShield Wizard Project
InstallShield Dialog
InstallShield Object Project
.hdr
Procomm Plus Message Header .hdr file icon

Procomm Plus Message Header

HDR file is a Procomm Plus Message Header. Procomm Plus is a terminal emulation and file transfer software.
Detailed description not available
Category: Data files
Application: Procomm Plus
Program name: -
Mime-type: application/octet-stream
Magic bytes (HEX): -
Magic string (ASCII): -
Aliases:
-
Links:
-
Related extensions:
Procomm Plus Alternate Menu
Procomm Plus Dialing Directory
Procomm Plus Compiled Script
Procomm Plus ASPect Script
Procomm Plus Screen Snapshot
.hdr
MicroSim PCBoard Hole-drill Schedule Report .hdr file icon

MicroSim PCBoard Hole-drill Schedule Report

HDR file is a MicroSim PCBoard Hole-drill Schedule Report. MicroSim PCBoard is a printed circuit board (PCB) layout tool.
Detailed description not available
Category: Data files
Application: MicroSim PCBoard
Program name: -
Mime-type: application/octet-stream
Magic bytes (HEX): -
Magic string (ASCII): -
Aliases:
-
Links:
-
Related extensions:
MicroSim PCBoard Netlist
MicroSim PCBoard Drill Data
MicroSim PCBoard Photoplot Job
MicroSim PCBoard Unrouted Nets Report Data
MicroSim PCBoard Component Definition Data
MicroSim PCBoard Log Data
MicroSim PCBoard Layout Data
MicroSim PCBoard Routes Data
MicroSim PCBoard Component Locations Report
.hdr
ENVI Header Data .hdr file icon

ENVI Header Data

HDR file is an ENVI Header Data. ENVI image analysis software is used by GIS professionals, remote sensing scientists, and image analysts to extract meaningful information from imagery to make better decisions.
Detailed description not available
Category: Data files
Application: ENVI
Program name: -
Mime-type: application/octet-stream
Magic bytes (HEX): -
Magic string (ASCII): -
Aliases:
-
Links:
-
Related extensions:
Spectral Library Exchange Format Data
THOR Metadata Rich Spectral Library Data
ENVI Spectral Library Data
ENVI Annotation Data
TripleSat DIMAP Data
ENVI Calibration Factors Data
ENVI Grid Data
ENVI Region of Interest Data
ENVI Display Group Data
.hdr
Transport Fever Game Texture Data .hdr file icon

Transport Fever Game Texture Data

HDR file is a Transport Fever Game Texture Data. Transport Fever is a railroad-focused tycoon game for Microsoft Windows.
Detailed description not available
Category: Game Data files
Application: Transport Fever
Program name: -
Mime-type: application/octet-stream
Magic bytes (HEX): -
Magic string (ASCII): -
Aliases:
-
Links:
-
Related extensions:
Transport Fever Game Mesh Data
Transport Fever Game Configuration
Transport Fever Game Text Data
Transport Fever Game Material Data
Transport Fever Group Parameters Data
Transport Fever Game Cache Data
Transport Fever Game Animation Data
Transport Fever Compressed Cache Data
.hdru
Apollo HDRU Image .hdru file icon

Apollo HDRU Image

HDRU file is an Apollo HDRU Image.
Detailed description not available
Category: Graphic files
Application: XnView
Program name: -
Mime-type: application/octet-stream
Magic bytes (HEX): -
Magic string (ASCII): -
Aliases:
gn, hdr
Links:
-
Related extensions:
-

Other types of files may also use the .hdr file extension. If you have helpful information about .hdr extension, write to us!

Is it possible that the filename extension is misspelled?

We found the following similar extensions in our database:

Microsoft Exchange Non-Delivery Report Body
Commodore Amiga Multi-palette Image
OMA DRM Rights Object XML
SymbianOS Font
HydroCAD Rainfall Curve Data
General Hard Disk Image
General Hard Disk Image
HRS Pro Encrypted Secure File
WinUAE HDD Image

The .hdr filename extension is often given incorrectly!

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

hrd (1), hdt (1), hdf (1), hdd (1), udr (1), hcr (1), ndr (1), dr (1), jdr (1), bdr (1), hwr (1), hrr (1), hr (1), hdg (1), hde (1)

Can't open a .hdr file?

If you want to open a .hdr file on your computer, you just need to have the appropriate program installed. If the .hdr association isn't set correctly, you may receive the following error message:

Windows can't open this file:

File: example.hdr

To open this file, Windows needs to know what program you want to use to open it. Windows can go online to look it up automatically, or you can manually select from a list of programs that are installed on your computer.

To change file associations:

  • Right-click a file with the extension whose association you want to change, and then click Open With.
  • In the Open With dialog box, click the program whith which you want the file to open, or click Browse to locate the program that you want.
  • Select the Always use the selected program to open this kind of file check box.

Supported operating systems

Windows Server 2003/2008/2012/2016, Windows 7, Windows 8, Windows 10, Linux, FreeBSD, NetBSD, OpenBSD, Mac OS X, iOS, Android