If you want to watch a WMV video with Quicktime player or edit it on Final Cut Pro, the best solution is to convert WMV to Mac supported formats such as MOV, MP4, M4V, 3GPP, 3GPP2, AVCHD, AVI, DV, etc.
However, Apple devices don't support WMV format, which means Mac users are unable to open WMV videos. WMV (Windows Meda Video) is a popular compressed video format developed by Microsoft, which is designed to make video files smaller for internet streaming applications.