.arn is Autoruns Data File
Key Features: .ARN File Extension
What is an .ARN file?
The arn file extension is mainly related to a special image files in Astronomical Research Network format. Used for scientific purposes.
Most likely some old format without support. No further information could be found.
This arn file type entry was marked as obsolete and no longer supported file format.
This type of file is no longer actively used and is most likely obsolete. This is typically the case for system files in old operating systems, file types from long discontinued software, or previous versions of certain file types (like documents, projects etc.) that were replaced in higher versions of their original programs.
Files with arn file extension can be found as bitmap images in Astronomical Research Network format.
How to open:You can view these files using XnView.
How to convert:Use XnView to export *.arn files to other formats.
- Microsoft Autoruns