Can’t open an Excel file with extension XLSX

5 pts.
Tags:
Microsoft Excel
XLSX
How do I open this file that I have been using for months but now can't open? I get an error message that says "the file format or file extension is not valid". I did not consciously change the extension when I saved it.
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MS Excel file with extension .xlsx can be easily opened in MS Office Excel 2007/10/13 and above versions. However, if unable to open using MS Excel 2007 and above. Chances of corruption in .xlsx file. To repair visit:   accessrecoverytool.com/xlsx.html

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  • Subhendu Sen
    Try to repair the file with MS Office built-in repair tool, which can help to repair (if corrupted) and you can open the file. Please link here: https://support.office.com/en-us/article/Repair-a-corrupted-workbook-153A45F4-6CAB-44B1-93CA-801DDCD4EA53
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  • Subhendu Sen
    Moreover, if you got this file from another source like an email attachment/a person provided this, you can ask the person or email sender to provide the same file again. It may possible that when you received somehow the file was corrupted. If s/he can provide the same file again, that time you can overcome this issue.
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  • ToddN2000
    What version of Excel are you using? Is it possible that someone else changed the document on a different version of Excel?
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