Merge amr into audiobook

Download and install the latest version of Filestar.
Right click on one or more Amr file(s) on your desktop and select Convert with Filestar.
Type merge into audiobook in the search box.
Press Merge.

What is .amr?

Name: Adaptive Multi-Rate Codec File
Extension: .amr
Format: Binary
Category: Audio
Developer: Nokia
Description: An AMR file is an audio file saved in a compressed audio format developed by Ericsson. It is used by many 3G cell phones for voice recordings such as MMS messages. AMR files incorporate the Algebraic Code Excited Linear Prediction (ACELP) algorithm, which is designed to efficiently compress human speech audio.
MIME Type: audio/amr
Sample: sample.amr
Wikipedia: .amr on Wikipedia

Last updated October 3, 2026