You can use Boxoft All to Wma Converter to convert all formats file to WMA file. it provide 3 modes of convertion method, "Batch Convert Mode" let you operate manually, "Hot Directories Mode" help process task automatically and "Command Line Mode" with which you can write simple code depend your requirement. high quality audio player and standard compressed encoder are embeded in it making distinct WMA format file.
Follow easy steps below:
Launching by double clicking desktop icon;
Add a single or folders of aim format audio files;
Setting output WMA properties by clicking "Option";
Click "Convert to WMA", and then select or make a new output folder.