Excel users generally encounter an error when trying to open or edit an Excel file in Office 2003, 2007, 2010, 2013 or 2016. The error message displays and indicates it as file corruption or incorrect Excel file format as below:
"Excel cannot open the file 'filename.xlsx' because the file format for the file extension is not valid. Verify that the file has not been corrupted and that the file extension matches the format of the file."
This article will introduce you the effective solutions to resolve .xlsx error, and get your MS Excel data back right here now.
This error message is encountered in the following scenarios:
Try the below mentioned resolutions to fix this error message and regain access to the Excel worksheet.
MS Excel saves Excel workbooks as XLSX or XLS file by default. Excel 2003 and earlier version save files as XLS, whereas Excel 2007 and later versions like the Excel 2010, Excel 2013, and Excel 2016 save files in XLSX file format. You can change the respective Excel version's default file format to any other file format that MS Excel supports. To do so, execute the following steps:
Unsaved files default location
The ‘Open and Repair’ is a feature in MS Excel to repair damaged Excel file. To use it, execute the following steps:
Note - If Excel repair process was not successful at the last time you used ‘Open and Repair’ feature, repeat the Steps (i) to (v). Next click ‘Extract Data’ button to extract the values and formulae from Excel file.
Excel Repair Software:
If none of the above mentioned resolutions fix the “Excel cannot open the file '(filename)'.xlsx…” error, then Excel repair software is recommended to resolve the Excel error. One such software is Stellar Repair for Excel that is devised to repair corrupt Excel XLS and XLSX files. Further, restores entire data items like table, chart, chart sheet, image, cell comment, formula, sort, filter, and more. Additionally, it does not alter the original formatting of the MS Excel files.
You can try any of the above mentioned methods to fix this error message. Nonetheless, the Excel repair software recommended here is the best-suited method as it is result-oriented and successfully fixes the error message in situations where other methods fail. In case you are facing this problem in Excel file currently, you can try the software for preview of Excel data to save at desired location now.