Here is the list of best 5 software tools to get IFF files back in Windows and macOS

Simple steps to recover deleted IFF, Interchange File Format on Windows & Mac

Step 1:
Download the app and install it on a Windows or Mac computer
Step 2:
Fire up the software and prepare for scanning by selecting the disk that contained the lost files
Step 3:
Begin scanning for lost data by hitting the Recover button
Step 4:
Pick the files to be restored and then click Recover a second time to begin the recovery process

Best 5 data recovery software for Audio Files

Free version, Pro version $89

Free recovery: Free recovery - 500 MB

666762
Freeware

Free recovery: Freeware

265306
Free, Professional $19.95, Professional Plus $39.95

Free recovery: Free recovery - Unlimited, doesn't include support

8587756
$119.95

Free recovery: No free version

18119
Free, 1-Year License $49.95, Lifetime License $69.95

Free recovery: Free scan & preview

1729