What is the required audio file format? Last updated Save as PDF Share Share Tweet Share Loading...8x8 Support Knowledge Base Site Improvements in ProgressCan't log in to VOD? Old versions have been retired...Looking for user guides and product manuals? Click here!PrevNext Applies To 8x8 Contact Center Answer An 8 kHz, 16-bit, monaural WAV file. Additional Information WAV files cannot exceed 30 megabytes.