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

Details of extension .atr

3 extension(s) and 0 alias(es) in our database

Below, you can find answers to the following questions:

  • What is the .atr file?
  • Which program can create the .atr file?
  • Where can you find a description of the .atr format?
  • What can convert .atr files to a different format?
  • Which MIME-type is associated with the .atr extension?
.atr
SIO2PC Atari Disk Image .atr file icon

SIO2PC Atari Disk Image

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
Program name: -
Mime-type: application/octet-stream
Magic bytes (HEX): -
Magic string (ASCII): -
Aliases:
-
Links:
Related extensions:
-
.atr
Lightscape Material File .atr file icon

Lightscape Material File

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.
Detailed description not available
Category: Data files
Application: Autodesk Lightscape
Program name: -
Mime-type: application/octet-stream
Magic bytes (HEX): -
Magic string (ASCII): -
Aliases:
-
Links:
-
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
.atr
PhysioBank Annotation File .atr file icon

PhysioBank Annotation File

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
Program name: -
Mime-type: application/octet-stream
Magic bytes (HEX): -
Magic string (ASCII): -
Aliases:
-
Links:
-
Related extensions:
PhysioBank Header File
PhysioBank QRS Annotation File

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

Is it possible that the filename extension is misspelled?

We found the following similar extensions in our database:

ESRI ArcGIS Ascii Grid
Grace Project
Ableton Groove File
Alphacam Lathe Drawing
AT&T Group 4 Bitmap Image
Alphacam Lathe Tool Data
Art Image
Alphacam Router Tool Data
ArtCAM Model File

The .atr filename extension is often given incorrectly!

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

agr (33), art (21), atf (18), att (16), atd (10), qtr (8), wtr (8), xtr (6), tr (6), atg (4), ar (4), tar (2), arr (2), ahr (2), afr (1)

Can't open a .atr file?

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

Windows can't open this file:

File: example.atr

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, Windows 7, Windows 8, Linux, FreeBSD, NetBSD, OpenBSD, Mac OS X, iOS, Android

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