What is the required audio file format? Last updated Save as PDF Share Share Tweet Share Loading...Can't log in to VOD? Old versions have been retired...Looking for user guides and product manuals? Click here!RESOLVED: Slow Login Times for Virtual Contact Center UsersPrevNext Applies To Virtual Contact Center Answer An 8 kHz, 16-bit, monaural WAV file. Additional Information WAV files cannot exceed 30 megabytes.