A daily updated filename extension database!

HDR file extension

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

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

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

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

✅ Microsoft IIS NNTP Header Data

.hdr
Description:
HDR file is an IIS NNTP Header Data. It is an internal data structure file for NNTP service.
HDR format description not yet available
Category: Data files
Application: Microsoft IIS Server
Mime-type: application/octet-stream
Magic number: -
Magic string: -
Sample: -
HDR aliases:
-
HDR related links:
-
HDR related extensions:
Microsoft IIS NNTP Subject Lists

Microsoft IIS Metabase Backup

Microsoft IIS Schema Backup

✅ Mail.dat Header File

.hdr
Description:
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.
HDR format description not yet available
Category: Data files
Application: PostalOne!
Mime-type: application/octet-stream
Magic number: -
Magic string: -
Sample: -
HDR aliases:
-
HDR related links:
-
HDR 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

Mail.dat Piece Detail File

✅ DataFlex Database Header

.hdr
Description:
HDR file is a DataFlex Database Header. DataFlex is an advanced object-oriented 4GL designed for developing database applications in character mode environments.
HDR format description not yet available
Category: Data files
Application: DataFlex
Mime-type: application/octet-stream
Magic number: -
Magic string: -
Sample: -
HDR aliases:
-
HDR related links:
-
HDR related extensions:
DataFlex Query Tag

DataFlex Database File

DataFlex Compressed Database

DataFlex Registration Data

DataFlex Business Process Object

DataFlex Web Business Object

✅ HDRi Image

.hdr
Description:
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
Mime-type: application/octet-stream
Magic number: -
Magic string: -
Sample: -
HDR aliases:
hdri
HDR related links:
-
HDR related extensions:
-

✅ ArcGIS ASCII Header

.hdr
Description:
HDR file is an ArcGIS ASCII Header.
Category: GIS files
Application: ArcGIS
Mime-type: application/octet-stream
Magic number: -
Magic string: -
Sample: -
HDR aliases:
-
HDR related links:
HDR 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

SIA dataMap GIS Export

✅ HAHTsite Site Configuration Data

.hdr
Description:
HDR file is a HAHTsite Site Configuration Data. HAHTsite was a multiplatform product for Web-site application developers.
HDR format description not yet available
Application: HAHTsite IDE
Mime-type: application/octet-stream
Magic number: -
Magic string: -
Sample: -
HDR aliases:
-
HDR related links:
-
HDR 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

HAHTsite Widget Source Code

✅ Apollo HDRU Image

.hdru
Description:
HDRU file is an Apollo HDRU Image.
HDRU format description not yet available
Category: Graphic files
Application: XnView
Mime-type: application/octet-stream
Magic number: -
Magic string: -
Sample: -
HDRU aliases:
gn, hdr
HDRU related links:
-
HDRU related extensions:
-

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

🔄 .hdr converters

The following softwares are capable of converting .hdr files to other formats:

XnView

For example, using the softwares above, a .hdr file can be converted into one of the following formats:

skp, fit, kps, fits, vpb, xv, ef3, dxf, si, eps, bum, apx, jps, tile, vda

🚫 The .hdr file extension is often given incorrectly!

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

bdr, dhr, dr, gdr, hcr, hd, hdd, hde, hdf, hdg, hdt, hr, hrd, hrr, hsr

Is it possible that the filename extension is misspelled?

We found the following similar file extensions in our database:

ZX Spectrum Emulator Microdrive Cartridge Data
JADE Unstructured Data Resource
SymbianOS Font
JpgfDraw Drawing Binary
Sony Playstation 2 SCEI Instrument Set Data
Microsoft Exchange Non-Delivery Report Body
Atari 8-bit HighRes Image
HEC-RAS Data
HotDisc Designer Document
Commodore Amiga Multi-palette Image

🔴 Can't open a .hdr 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:

example.hdr

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 .hdr 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 .hdr file extension, write to us!

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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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