A daily updated filename extension database!

ATR file extension

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

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

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

4 extension(s) and 0 alias(es) found in database

✅ SIO2PC Atari Disk Image

.atr
Description:
ATR file is an SIO2PC Atari Disk Image. SIO2PC is a hardware interface and software utility package to allow storage of your Atari files on your PC's hard and floppy disks, file conversions in both directions, and Atari printer output redirection to your PC's printer, screen, or file.
Category: Disk Image files
Application: SIO2PC
Mime-type: application/octet-stream
Magic number: -
Magic string: -
Sample: -
ATR aliases:
-
ATR related links:
ATR related extensions:
-

✅ Lightscape Material File

.atr
Description:
ATR file is a Lightscape Material File. Autodesk Lightscape is a visualization application that uses radiosity and ray tracing to create accurate lighting for 3D models.
ATR format description not yet available
Category: Data files
Application: Autodesk Lightscape
Mime-type: application/octet-stream
Magic number: -
Magic string: -
Sample: -
ATR aliases:
-
ATR related links:
-
ATR related extensions:
Lightscape Preparation File

Lightscape Solution File

Lightscape View File

Lightscape Block File

Lightscape Layer File

Lightscape Parameter File

Lightscape ASCII Data

Lightscape Binary Data

✅ PhysioBank Annotation File

.atr
Description:
ATR file is a PhysioBank Annotation File. PhysioBank is a large and growing archive of well-characterized digital recordings of physiologic signals and related data for use by the biomedical research community.
Category: Data files
Application: PhysioBank
Mime-type: application/octet-stream
Magic number: -
Magic string: -
Sample: -
ATR aliases:
-
ATR related links:
-
ATR related extensions:
PhysioBank Header File

PhysioBank QRS Annotation File

✅ ZX Spectrum Attributes Image

.atr
Description:
ATR file is a ZX Spectrum Attributes Image. The ZX Spectrum is a home computer created by Sinclair Research Ltd in U.K. in 1982.
ATR format description not yet available
Category: Graphic files
Application: Recoil
Mime-type: application/octet-stream
Magic number: -
Magic string: -
Sample: -
ATR aliases:
-
ATR related links:
-
ATR related extensions:
ZX Spectrum Hobetta Image

ZX Spectrum Speccy eXtended Graphics Bitmap

ZX81 ZXpaintyONE Bitmap

MSX2 Dynamic Publisher Image

MSX2 Dynamic Publisher Stamp

ZX Spectrum Stellar Bitmap

MSX MIG Image

ZX81 ZXPaintyONE v2.0 Bitmap

ZX Spectrum ZX-Paintbrush Bitmap

Oric 6x8 Font Data

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

🚫 The .atr file extension is often given incorrectly!

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

agr, afr, xtr, tr, qtr, atg, ate, art, ar, ztr, wtr, tar, att, atf, atd

Is it possible that the filename extension is misspelled?

We found the following similar file extensions in our database:

ESRI ArcGIS Ascii Grid
Grace Project
Ableton Groove File
C64 Advanced Art Studio Image
Arachni Framework Report
GenePix Axon Text File
FARSITE Weather Data
Atari ST GFA Artist Image
Remedy ARS Report
Vectorworks v11 Workspace

🔴 Can't open a .atr 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.atr

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 .atr 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 .atr file extension, write to us!

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