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![✓Excel Cannot Open the File Because the Extension Is Not Valid [Windows & Mac Solutions]](https://www.easeus.com/images/en/data-recovery/drw-pro/excel-cannot-open-the-file-1.png "✓Excel Cannot Open the File Because the Extension Is Not Valid [Windows & Mac Solutions]")
✓Excel Cannot Open the File Because the Extension Is Not Valid [Windows & Mac Solutions]
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What is the file extension for Excel - javatpoint
Excel cannot open the file because the file format or extension is not valid
What is the file extension for Excel - javatpoint
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What is the file extension for Excel - javatpoint
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![Excel: The File Format and Extension of Don't Match [FIXED]](https://cdn.windowsreport.com/wp-content/uploads/2020/02/the-Open-window.png "Excel: The File Format and Extension of Don't Match [FIXED]")