Files with iniis file extension can be found as temporary files from AsusSetup program.
INIIS file extension - AsusSetup log
What is iniis file? How to open iniis files?
File type specification:
The iniis file extension seems to be used for some sort of log file generated by AsusSetup in temporary folder.
Most likely used for debugging or internal purposes only. No further information could be found.
This iniis 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.