Though meant for Resolve users, perhaps one of these techniques will work. Can you let us know? editing - How do I batch replace video clips in Premiere to graded copies? (from Da Vinci Resolve) - Video Production St…
I have multiple projects I need to update, but since they were last used all audio files have been converted from .wav to .mp3 to save server space.
You might want to look at different ways to save space. Audio file sizes are almost insignificant to video file sizes.
The file size of just one second of HD video in mp4 is about the same as 10 minutes of an uncompressed stereo wav or aiff file.
This way may help you to find the files.
File > Dependencies > Collect Files
You set "Generate Report Only" on and then save it. You can open it by any text editor. It is an ASCII format file. You find the path of the file each.