Question: how to convert qsv to mp4?
Answer: Method of converting QSV file into MP4 format 2. Open the QSV to MP4 tool, click “Select” in the lower right corner, set the input location, and check “Output MP4 file” above. 3. Then click “Add File”, select the QSV file that needs to be converted, and then click “Start Conversion”, as shown in the following figure.