The phrase "to send the files" means to transfer or share electronic documents from one person or device to another using email, messaging apps, or file-sharing platforms. Full definition
The management software also allows lawyers to simply attach any document or file they wish to share instead of sending files through emails. (practicepanther.com)
We'll send you a file for uploading, as most applications today are done online. (launchpointresume.com)