You can't stretch it out physically on the timeline. But, you can slow it down using the Slow Down, Half effect.
One of the best free Mac software for slowing down audio is Audacity.
Microsoft's audio file type is .wma (Windows Media Audio). However most Microsoft platforms will support other popular types of audio files.
You can't stretch an audio clip to any length other than it actually is.
WMA is windows,microsoft audio system
audio and video player developed by Microsoft and distributed with Microsoft windows
WMA - Windows Media Audio
A Zune is not an audio format like an mp3, it is a music/video player designed by Microsoft. It plays mp3 audio files as well as Microsoft's mp3 alternative, wma audio files.
Skype has good audio conferencing. You should also look into Microsoft's audio conferencing software. I believe they are the best.
WAVE or WAV is short for Waveform Audio File Format. It is a Microsoft and IBM audio file format standard for storing an audio bitstream on PCs.
There are several audio standards such as PCM, WAV and many ohters, but STORING the audio is usually done to harddrives that are formatted to FAT32 or NTFS format.
To slow down audio in Premiere Pro, you can use the "Time Stretch" feature. Select the audio clip, right-click, and choose "Speed/Duration." Adjust the percentage to slow down the audio playback.
Microsoft and IBM created the .WAV format for storing audio on PCs.