ACT File Won’t Open? FileViewPro Has the Answer
File extension .ACT is a low-bitrate digital voice-recorder format typically created by small portable MP3/voice devices to store speech-oriented audio clips. Unlike high-quality music formats, ACT files typically pack the signal into a narrow-band, ADPCM-compressed stream optimized for intelligible voice, not rich, full-range sound. Because native ACT support is rare on modern systems, the usual …