Aconex is a CDE (common data environment) used a lot through some regions for managing AEC correspondence. It is also used to register and share some BIM-related files and documents, although I don’t personally think Aconex is a great tool for that particular job.
In any case, if you are using it regularly it makes sense to automate the process. RTV have built a tool that allows you to connect with Aconex, and publish and transmit documents through the official register.
You can get it here:
Just fill out the form and checkout, and you will get a link in an email. The current version is RTV Aconex Uploader 2017. You will be able to activate the software for free.