Invalid CSV format

SOLVED

HI,

We have applications that generate payment batches that are imported into Sage 300 AP module.  We were generating them as a Single CSV file.  Everything was going well until version 2019.  I realize there are a few extra fields in one of the tables that we will have to populate, but we get an error message right away importing the file that says invalid CSV format.

I think there may be something else going on.  The machine is running Windows 10 and office 365 if that helps any.

Any ideas are welcome.