I don't see what would be the benefit of storing files on a blockchain since they must all be identitical to be valid the files should be duplicated as many times as there are blockchain nodes running and validating new blocks.

Maybe it could have a limited use yes, to have a global file mirror system for critical informations but the price to upload the files should really super high in order to maintain the blockchain, I don't see a need for it in the current world.

Now check DeepOnion ( $Onion) Deepvault which is storing hashes of digital files in its blockchain in order to validate their integrity, I think it's a more realistic and working approach. They are releasing a easy to use web version of this feature