Magento 2 admin supports variety of input types like text box, radio button, etc. and the value is stored and displayed in the form of grids, forms, or images.
While developing Magento 2 extensions, the admin may require to multiple files like icon image to get it displayed in the frontend.
There are variety of file types such as PHP, XML, JPG, CSV that allows admin to upload files. To do so, you may require to add file upload control in Magento 2 admin configuration.
The default Magento does not offer such functionality to upload files for admin configuration. Here, I have provided a programmatic solution to add file upload control in Magento 2 admin configuration.
To get more information, you need to refer the tutorial at: https://meetanshi.com/blog/add-file-upload-control-magento-2-admin-configuration/
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