You can use the following google doc as a guide, but I can tell you that notes will only be imported into Clarizen. It will not go the other way since Clarizen objects can have multiple notes and MSP rows cannot.
https://docs.google.com/spreadsheet/ccc?key=0AnaBU1gVyDSQdDVZcC0yUEV5N0VKLWxsOS1nZ25RYVE#gid=0