html input="file" only displays the specified file type xls, xlsx, csv when browsing

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1. <inputid="fileSelect"type="file"accept=".csv, application/vnd.openxmlformats-officedocument.spreadsheetml.sheet, application/vnd.ms-excel"/>        

Restrictions on custom suffixes:

For example, set up a custom file xxx.abc and xxx.def

If you want to limit the upload of only this type of file, write directly 

<inputtype="file"accept=".abc,.def"/>

There is no need to use * or the "|" symbols written in official documents, just separate them with commas.

Valid Accept Types:

For CSV files (.csv), use: 

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

For Excel Files 2003-2007 (.xls), use: 

<input type="file" accept="application/vnd.ms-excel" />

For Excel Files 2010 (.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" /> 

DEMO:
http://jsfiddle.net/dirtyd77/LzLcZ/144/

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NOTE:

If you are trying to display Excel CSV files (.csv), do NOT use:

• text/csv
• application/csv
• text/comma-separated-values (works in Opera only).

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If you are trying to display a particular file type (for example, a WAV or PDF), then this will almost always work...

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

Original: http://stackoverflow.com/questions/11832930/html-input-file-accept-attribute-file-type-csv