If you just need a non-bootable ISO of files/folders:
to see community discussions on the limitations of .tibx to .iso conversion. PowerISO's Tutorial
Here are the primary reasons someone would attempt this conversion:
: If your original .tibx backup was of a bootable system drive, simply converting the files to an ISO won't make the ISO bootable. You would need to use a tool like to add a boot sector manually. Acronis Bootable Media
There is on the market. However, some all-in-one disk imaging tools like AOMEI Backupper or DiskGenius can open TIBX files and export them as ISO. Test results vary.
Thus, – that will not work.