Haven't loaded a Lotus Notes type document (if that's what you mean).
I and others in our company have successfully exported from MS Word 97, MS Excel 97, MS Excel 2000, and Starbase's (formerly TBI) "Caliber-RM" into TestDirector. Whether you use Word or Excel depends on your style- we've found there are pros and cons to each.
FWIW: currently using TestDirector v6.02 (and Caliber v3.0)
QUALITY . . . is like buying oats. If you want nice, clean, fresh oats, you must pay a fair price.
However, if you can be satisfied with oats that have already been through the horse . . . that comes a little cheaper.