How to fix Error: "Excel cannot open the file '(filename)'.xlsx”
Have you ever suffered with this error while accessing the excel file: "Excel cannot open the file '(filename)'.xlsx' because 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." I have faced this error yesterday while I was working on Excel. ( I found it interesting topic so I am writing a blog post:).. My Live Scenario: I have several excel files stored on my system. I used these files from the same computer daily. Yesterday, when I tried to open several files in Excel 2007 then I found following error on my computer screen: "Excel cannot open the file '(filename)'.xlsx' because 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." After full research on the error, I come to know about the causes & solutions of the ...