Open WhatsApp and pick the conversation containing the desired audio file you want to save.Download and install Documents app from the App Store.However, if you are using the latest version of WhatsApp and have the latest release of iOS installed on your iPhone, you might find an option to export received media files to other third party file manager apps like Documents, via the Share menu.įollow the steps below to export a received voice or audio file from WhatsApp on iPhone: On iOS, WhatsApp stores audio files within its own isolated app storage, which cannot be accessed by other apps directly.