What is a data file and how do I open a data file?
The DATA extension is given to an Analysis Studio data file. It contains mined data in a plain text, tab-delimited format, including an Analysis Studio file header. It stores data for off and online analysis. DATA files contain multiple source data, and are paired with a corresponding STP file which contains project data schema and object information. DATA files can be imported into Microsoft Excel once their header information is stripped.
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How to open data file on Microsoft.com