The AA file extension is related to the PAML (Phylogenetic Analysis by Maximum Likelihood) software. The *.aa file stores some kind of data used by PAML.
AA file extension - PAML data file
What is aa file? How to open aa files?
File type specification:
The AA file extension is associated with the PAML (Phylogenetic Analysis by Maximum Likelihood) and used for some its data files.
PAML is a package of programs for phylogenetic analyses of DNA or protein sequences using maximum likelihood. It is maintained and distributed for academic use free of charge by Ziheng Yang.
However vast majority of .aa found are Audible audio books.
The default software associated to aa file type:
Company or developer:
PAML (Phylogenetic Analysis by Maximum Likelihood) is package of applications used to phylogenetic analysis of DNA or protein sequences.
List of recommended software applications associated to the .aa file extension
Recommended software programs are sorted by OS platform (Windows, macOS, Linux etc.) and possible program actions
that can be done with the file: like open aa file, edit aa file, convert aa file, view aa file, play aa file etc. (if exist software for corresponding action in File-Extensions.org's database).
- Others aa file
Unspecified and all other actions for computer programs working with aa file - PAML data file
Click on the software link for more information about PAML. PAML uses aa file type for its internal purposes and/or also by different way than common edit or open file actions (eg. to install/execute/support an application itself, to store application or user data, configure program etc.).