The .aos file extension is most commonly associated with Nokia mobile phones. The AOS files contain add-on software that can be installed on a user's cell phone. The Nokia PC Suite commonly uses the .aos file extension.
The .aos file extension is also used for Archos signed encrypted data files and Gmini firmware update files.
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File.org aims to be the go-to resource for file type- and related software information. We spend countless hours researching various file formats and software that can open, convert, create or otherwise work with those files.
If you have additional information about the AOS file format or software that uses files with the AOS suffix, please do get in touch - we would love hearing from you.