Thank you for your suggestion @Jaime Rojas !
Currently you can integrate DropBox and Pipedrive via a third party like Zapier, for example. You can also explore other integration platforms in our Marketplace here.
I'm afraid at the moment a native integration is not in our plans but I've made sure to relay your input to our team so they can consider it in future developments.
Speaking of which, here are some pro tips to stay on top of things:
This would be extremely useful for us as well! Any update as to whether this integration is in the works?