File tag in HTML

How to use accept Attribute:

<input type="file" accept="application/vnd.openxmlformats-officedocument.spreadsheetml.sheet, application/vnd.ms-excel,text/comma-separated-values, text/csv, application/csv" ID="fileSelect" runat="server" />


<input type="file" accept=".csv" />
For Excel Files 97-2003 (.xls), use:

<input type="file" accept="application/vnd.ms-excel" />
For Excel Files 2007+ (.xlsx), use:

<input type="file" accept="application/vnd.openxmlformats-officedocument.spreadsheetml.sheet" />
For Text Files (.txt) use:

<input type="file" accept="text/plain" />
For Image Files (.png/.jpg/etc), use:

<input type="file" accept="image/*" />
For HTML Files (.htm,.html), use:

<input type="file" accept="text/html" />
For Video Files (.avi, .mpg, .mpeg, .mp4), use:

<input type="file" accept="video/*" />
For Audio Files (.mp3, .wav, etc), use:

<input type="file" accept="audio/*" />
For PDF Files, use:

<input type="file" accept=".pdf" />