Solved: Excel 2007 spreadsheet gets error "Excel cannot open the file .xlsx.." How ca

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cristosjulian

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Jun 28, 2015
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Hi,

After a power outage a particularly important file gets the error "Excel cannot open the file.xlsx beacause the file format or file extension is not valid. Verify that the file has not been corrupted and that the file extension matches the format of the file. The file format has not changed. Is there a safe free program that can uncorrupt a file? I have tried Open and repair, changing the format, and using open office. Also tried using recova but the file was not lost.
 
Joined
Jun 30, 2015
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You can use the following methods to troubleshoot problems with opening or using Excel files:
• Use a recovered copy of the document.
• Use the Open and Repair command.
• Save the file in HTML format.
• Save the file in XML Spreadsheet format.
• If a chart is linked to the corrupted file, use a macro to extract the data.
• In case nothing helps make use https://social.msdn.microsoft.com/F...hat-excel-cannot-open-the-file?forum=exceldev
 
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