# View data

## Content

<span style="-webkit-font-smoothing: antialiased; box-sizing: border-box; margin: 0px; font-style: inherit; font-weight: inherit;">The first step to work with Document Solutions Data Viewer</span><span style="-webkit-font-smoothing: antialiased; box-sizing: border-box;"> </span>is to add a `DsDataViewer` object<span style="-webkit-font-smoothing: antialiased; box-sizing: border-box;"> </span>to the web page. You can open an Excel file, a SpreadJS SSJSON or SJS file, a CSV file, an Arrow file, or a Parquet file by calling the<span style="-webkit-font-smoothing: antialiased; box-sizing: border-box;"> </span>`OpenFile`<span style="-webkit-font-smoothing: antialiased; box-sizing: border-box;"> </span>method or from the `Open document`<span> button .</span>

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