Mount the TIB file using Acronis True Image (right-click → Acronis True Image → Mount) and browse/copy files directly (Method 3). No conversion needed.
If you have spare hardware or an external USB drive.
Several third-party tools claim to convert TIB to ISO directly. Be very cautious with these. Many are outdated because Acronis updates its TIB format every year.
Once it is a VHD, you can use various disk utilities to wrap that image into an .ISO format if required for specific deployment tools. burn the resulting ISO to a USB drive or use it in a virtual machine? convert .tib to iso - Acronis Forum