This feature request relates to this one
In stead of having to import/export variable lists, I would say TC could be even better if it would be possible keep the variable maintenance in external files (preferably Xls, or csv). Prior to each testrun TC would open the files and read the parameter names and values.
Implementing it this way would make importing the (long lists) obsolete, because TC would like the parameter names/values to the test logic itself.
In the (long) lists it should be possible to define variables in format:
enabled | name | type | default value
Additionally it would be possible to enable/disable variables to easily work with different testpermutations quickly.