A hrt file extension is related to the Hornet Packer audio format used on Amiga computers.
HRT file extension - Hornet Packer format
What is hrt file? How to open hrt files?
File type specification:
The hrt file extension is associated with Hornet Packer, an audio editing tool developed for Commodore Amiga computers.
The hrt file stores audio data in Hornet Packer audio format.
The Hornet Packer is obsolete product.
This hrt 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.