1) As Myrnice said, import is a _read-only_ process. You can import a file a thousand times and the original file is untouched by the process. 2) TMG6 is currently being written in VFP7 and parts of the code were written in earlier VFP versions. What does VFP8 have to do with the issue?
An experienced user doesn't understand the UFT import porcess because UFT is a very complex program and the import process (which is very well documented) reflects that complexity.