Why do you need to accept files from your users? If yes, then there are a lot of use cases where file attachement upload is useful.
WordPress file upload plugin to accept documents:
Accept Guest Posts – Through a file attachment upload plugin, you can get your users to submit posts to your website
Collect User-Generated Content – You can allow your visitors to submit videos, audio, images, or any other content through a file upload option
File Upload Type by WPForms is a free WordPress upload plugin that lets you accept additional file types on your website with just a click of a button.
By default, users can upload certain file types on WordPress Plugins. And if someone uploads a file type outside the allowed extensions, WordPress will show a warning message saying: Sorry, this file type is not permitted for security reasons.
File Upload Types plugin and get people to submit different file formats. It also expands your use of WPForms, as you can allow any file extensions on your file upload forms
Need a wordpress plug in that will allow me to attach files to a post for reference later.Only the administrator will see these attachments.
Purchase the “WordPress file attachment plugin for WordPress from Adlivetech store