We’re actually providing another software than TrueCrypt / VeraCrypt. Our software is AxCrypt, which works very differently but complements TrueCrypt.
We can’t provide support on others’ software. For what it’s worth, your strategy is likely to be to copy the files from the encrypted container/drive to a non-encrypted drive. You’ll need to provide new free space equivalent to the total amount of files in the encrypted drives to get the files out of there.