ARN file extension belongs to image format of Astronomical Research Network. Its data stores in a binary format. .ARN file type is used for scientific purposes. ARN format is an old one with no software support. ARN format got flagged as obsolete.
The files with ARN extension associate with the XnView graphical application. For more details on ARN format, visit the XnView’s developer website. ARN files classify under Graphic file category along with 524 other formats.
The ARN file opens in Autoruns utility. Autoruns shows programs set to run when booting a system. The utility compares ARN data with another Autoruns results. It stores the data in a binary format unlike text format of .TXT file.
The ARN extension links with the Windows operating system. The original developer of ARN extension was Pierre-Emmanuel Gougelet for XnView software. Other programs may also open ARN files. Graphic file softwares save ARN data in binary manner. But over 400 formats support to open in File Viewer Plus application.
To open an ARN file, the system needs to associate it with right software. The programs that can access ARN files are: XnView, Autoruns, File Viewer Plus. Before opening, verify the ARN file does not contain malware. If any antivirus blocks the access, take necessary steps suggested by the system.
IFS Aurena