The WordPress Plugin Contact Form 7 Multiple Uploads Addon supports uploading multiple files at the same time within the contact form. It works similar to Contact form 7 Plugin as well as it supports multiple file extensions. As its name states it is a contact form for WordPess users which is easy to use and customizable with various good features.
Contact Form 7 Multiple Uploads Addon can manage multiple forms on a website. You can also customize the contact form as well as mail content with simple markups. The Plugin is compatible and tested to work with the WordPress Version 4.9.4