Valid Accept types for HTML input tag

input_file.html

<!-- Specifying multiple formats -->
<input type="file" accept=".csv, .txt" />

<!-- For CSV -->
<input type="file" accept=".csv" />

<!-- For Excel 97-2003 -->
<input type="file" accept="application/vnd.ms-excel" />

<!-- For Excel 2007+ -->
<input type="file" accept="application/vnd.openxmlformats-officedocument.spreadsheetml.sheet" />

<!-- For .txt -->
<input type="file" accept="text/plain" />

<!-- For images -->
<input type="file" accept="image/*" />

<!-- For HTML files -->
<input type="file" accept="text/html" />

<!-- For Video files -->
<input type="file" accept="video/*" />

<!-- For Audio files -->
<input type="file" accept="audio/*" />

<!-- For .pdf -->
<input type="file" accept=".pdf" />

Thank you!