Allow All File Extensions for file fields

If you want to use this module, your options are:

• Choose another, actively maintained module instead
• Follow Becoming primary maintainer of a project that is unsupported for security reasons
• Hire someone to fix the security bug so the module can be re-published and supported (Consider hiring companies listed in the Marketplace)

This module lets you "Allow All File Extensions" in cases in which you need no file extension restriction for all fields.
it means it does not affect default functionality and just makes it possible to do not limit the file which you want to be uploaded to Drupal.

usage

After installing this module,
you just need to let the file extension empty. after that, all files can be uploaded.