We have found 5 software records in our database eligible for .m4a to .3ga file format conversion.
M4A to 3GA conversion should be pretty doable, but a lot of audio converters list only MP4 and 3GP as supported and this can confuse a lot of users. Should you need it, you can rename m4a to mp4 and 3ga to 3gp, which solves a lot of possible issues with this conversion.
Some software known to support this conversion regardless of the extensions are listed below, but you can find more choices if you refine your search with the alternative extensions.
M4A
FIles with m4a extension are audio files stored in MPEG-4 (MP4) container and use AAC (Advanced Audio Coding), or Apple Lossless (ALAC) audio compression. M4A is very popular on Mac computers, because it is default audio format used by iTunes. M4A is also default audio format for Apple portable devices (iPod, iPhone, iPad).
3GA
Files with 3ga extension are audio files stored in 3GPP multimedia file format. 3GPP file format was developed for 3G and UMTS mobile networks multimedia services. 3GPP is supported by variety of mobile producers, such as Nokia, Samsung etc. 3GA file extension identifies only audio stream stored in 3GPP multimedia container. Audio stream can use AMR-NB, AMR-WB, AMR-WB+, AAC-LC, HE-AAC v1 or Enhanced aacPlus (HE-AAC v2) audio codecs.