Files with eset extension are used by Extension manager. They contain some settings data.
Software that open eset file
ESET file extension - Extensions Manager settings file
What is eset file? How to open eset files?
File type specification:
The eset file extension is related to Extension manager, an old utility for classic Mac OS operating system. Extensions Manager enables or disables individual system add-ons control panels, extensions, and the like either at startup or before the next restart.
List of recommended software applications associated to the .eset file extension
Recommended software programs are sorted by OS platform (Windows, macOS, Linux, iOS, Android etc.)
and possible program actions that can be done with the file: like open eset file, edit eset file, convert eset file, view eset file, play eset file etc. (if exist software for corresponding action in File-Extensions.org's database).
Unspecified and all other actions for computer programs working with eset file - Extensions Manager settings file
Click on the software link for more information about Mac OS X. Mac OS X uses eset file type for its internal purposes and/or also by different way than common edit or open file actions (eg. to install/execute/support an application itself, to store application or user data, configure program etc.).