Magento 2 Product Attachments extension makes product files available for download on the product detail page. It allows the store owner to upload multiple file types such as pdf, Docx, jpeg, png, ppt, etc.
The store owner can upload a particular file from the add product page under the attachments tab from the admin side. It provides maximum upload file option from the configuration panel. You can show the attached files on the product detail page in the attachments tab or inside the product info block.
Store owners can upload any number of files and also set restrictions for particular file upload. This Magento 2 file upload extension has no limits amount of attached files to the product.