How to specify the type of files that server accepts in HTML5 ? - GeeksforGeeks
When a single file extension is given (<input type="file" accept=".txt" />), the format description in the open file dialog is empty. · Issue #12956 · electron/electron · GitHub
How to Accept Only Image for File Input Type in HTML - Sabe.io
Using the HTML5 <input type="file" multiple="multiple"> Tag in ASP.NET - Rick Strahl's Web Log