is a free, lightweight tool that can convert many image formats, including Acronis TIB files, directly to VMDK (and other formats like VHDX, QCOW2).
: Click Proceed to start the block-by-block data transfer. Method 2: The "Rescue Media" Workaround (Modern Versions)
Your TIB file may be from a very new Acronis version. Update your converter tool. For StarWind, try the latest beta. Alternatively, first use Acronis True Image to "Validate" the backup and export it as a raw .img file, then convert the .img to VMDK.
He looked at the .tib file on the NAS, now obsolete, and then at the humming VM on the screen. "Rest in peace, old hardware," he said, closing the laptop lid. "Long live the virtual machine."