wpdebuglog

This plugin adds a custom File Upload Field to WPForms, enabling users to: 
– Upload files (e.g., PDF, images, documents) via frontend forms. 
– Restrict file types and sizes. 
– Securely store uploaded files in the WordPress uploads directory. 
– Attach files to email notifications (optional).
<h3>Usage</h3>
<ol>
<li>
Add the File Upload Field to a Form:
<ul>
<li>Edit or create a WPForm. </li>
<li>Drag and drop the “File Upload” field into your form. </li>
</ul>
</li>
<li>
Configure Field Settings:
<ul>
<li>Allowed File Types: Specify extensions (e.g., <code>pdf, jpg, png</code>). </li>
<li>Max File Size: Set a limit (e.g., 10MB). </li>
<li>Storage Location: Files are saved to <code>/wp-content/uploads/wpxform-uploads/</code>. </li>
</ul>
</li>
<li>
Attach Files to Email Notifications (Optional):
<ul>
<li>Enable the “Attach Files to Email” option in the form’s Notifications settings.</li>
</ul>
</li>
</ol>
<h3>Features</h3>
<ul>
<li>Drag-and-drop file upload support. </li>
<li>Server-side validation for file types and sizes. </li>
<li>Unique filenames to prevent conflicts. </li>
<li>Compatible with WPForms Lite/Pro. </li>
</ul>
<h4>Pro Addons</h4>
<ul>
<li><a href="https://wpdebuglog.com/downloads/file-uploads-to-wpforms/" rel="nofollow ugc">Advanced Filedrop For WPForms</a> 
Add Drag and Drop File Uploads to WPForms</li>
</ul>

File Upload For WPForms – Filenzo

Enhance WPForms with a secure file upload field, allowing users to upload files directly through forms.

acespritech

Are you looking for a way to create an upload form that automatically sends WordPress file uploads to your Dropbox? Using this Plugin you can easily integrate your Dropbox to your WordPress website. You can select maximum file size till your dropbox maximum upload size.
Features:- 
1 – Easy to connect form with Dropbox. 
2 – There is no file limit for upload. 
2 – Admin have short-code of form to display form in any page using it.
Shortcode:- [aspl_dropbox]

ASPL Dropbox File Upload

Another Best Plugin for Integrate Dropbox With Your Upload Form.

File Upload For WPForms – Filenzo vs ASPL Dropbox File Upload