Need help re converting wav64 to wav

[feedback01]

I am very new to format convertion.I have 8tb with many wav64 music files that will not load onto Audionirvana or J River.I need to change format from w64 to wav.Lots of folders etc very lost finding how to do batch convertions most only do a few at a time .I am closing on 80 so have lost a few brain cells.Thanks

[simbun]

Re: Need help re converting wav64 to wav

I believe wav files are limited to 4GB in size hence w64 (64-bit addressing), do you have any w64 files greater than 4GB?