ALN File - opening and understanding

Did your computer fail to open an ALN file? We explain what they are used for and recommend software that we know can open or otherwise handle your .ALN files.

What is an ALN file?

An .ALN file is a Clustal Alignment format file. Through our analysis of ALN files, we know that one use of the format is Clustal Alignment format. We have not yet described in detail what these files contain and what they are used for, but our team is working tiredlessly through thousands of file formats. We'd love hearing from you if you have information about the format.

How to open ALN files

You will need a program compatible with the specific file you are trying to open, as different programs may use files with file extension ALN for different purposes.

While we have not verified the apps ourselves yet, our users have suggested 6 different ALN openers which you will find listed below.

Suggest another file format using extension ALN

While we know of one file format using the .ALN file extension, there may be more. It is widespread that different programs use files with the same file extension for very different types of data. Please let us know if you are aware of a different kind of .ALN file.

Various viewers for this file format

These apps are known to open certain types of ALN files. Remember, different programs may use ALN files for different purposes, so you may need to try out a few of them to be able to open your specific file.

BioEditBioEditUser submitted
LinPro27LinPro27User submitted
GeoTool ApplicationGeoTool ApplicationUser submitted
Unipro UGENEUnipro UGENEUser submitted
Lex NavigatorLex NavigatorUser submitted
ClustalX2ClustalX2User submitted
We have not verified any software that we know for certain will work with ALN-files on Mac. If you know one, please use the 'Suggest a program' link below and tell us about it!
We have not verified any web services that we know for certain will work with ALN-files. If you know one, please use the 'Suggest a program' link below and tell us about it!