[Nicotroidemi]

Thanks guys for your answers.

Yes I tried to open them but the message says Pro Tools couldn't open because file has been created in an older version. It's not SDII but .wav files in these PT9 sessions.
To be exact, on the 10 songs the producer sent to me, my pro tools opened just two of them. The 10 songs where created by the producer on the same templates.

I still can go with AAF exports but it's very limitative.

I upgraded from 8 to 11 a few years ago. I have access to PT 10 in my Avid account. I'll download and try.

I'm on a macbook pro and Mac OS High Sierra 10.13.6