How to Resolve ‘Excel Cannot open the file ‘(filename)’.xlsx error in MS Office 2003/2007/2010/2013/2016

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By process of elimination, I was able to isolate two records. I believe i share the same problem as Spectrumking. Now try to open that file again. Good morning all, I just upgrade to GP 2013 R2, we have used Office 2010 for at least the last 3 years.

For more information on saving and recovering earlier versions of a workbook, as well as information on recovering new workbooks that you had not previously saved , see. The manual tricks don't require any 3rd party tool or any other cost.

Fix Excel Cannot Open the File Because The Extension Is Not Valid

Excel users generally encounter an error when trying to open or edit an Excel file in Office 2003, 2007, 2010, 2013 or 2016. Verify that the file has not been corrupted and that the file extension matches the format of the file. Change the default file format to save Excel workbooks: 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. You can Open and save it. One such software is 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. Hi there, I downloaded your repair software but it could not recover my document. The error message was: Original file size: 26 KB Total no. I'm using Excel 2007 and Windows Professional 7. Is there any way to recover my file? Thanks very much, Mike Hi Cadald, These are the simple steps to change the Excel file extension. It is not about to change any folder. If you are unable to do it by the mentioned method then, follow these steps: 1. Select Save tab 3. In Save Workbooks section, check the first choice 'Save files in this format' and choose the appropriate option 4. Click OK Good Luck! Hi Aficio, Above error message indicates that there is a issue in Excel file or the file has the wrong file extension. To determine the exact reason, you should change the file extension. If your file is working fine after this change that means, the error was extension related otherwise your file has been corrupted. You can repair your corrupt Excel file by mentioned methods in article. Thanks Hi Amit, i have tried all three methods above. This excel file has my important data which has been recovered from a faulty harddisk. All other files besides this one can open without any issues, except for this one important file. Could you help me to solve this please? Hi Nauman, You can also try this method: 1. Make a copy of your file and Rename the file. Suppose your file name is test. You will get the warning message but, accept it. After doing this, the document icon will turn white. Open a new blank Excel file. Go to Open and navigate to the renamed document and open it. Hello Amit, My name is Rahul. I need a favor. My one of the partition becomes unformatted. Then I recovered all the files from that partition. I have saved the backup in external hard disk. All the files were opening and working properly. After takingg backup, I formatted the lost partition E drive. After formatting E drive, I am trying to open excel files for work, but none of the files are opening. I am getting a message every time The File you are trying to open is in a different format than specified by the file extension. Verify that the file is not corrupted and is from a trusted source before opening the file. Please tell me how i can resolve this issue. Thanks Rahul Jain Hello Rahul, To fix this problem, you need to modify the registry. Follow these steps: 1. Press Windows+R and type regedit to open registry. You need admin right to perform any action on the registry. Go to Edit tab, under New, select DWORD Value. Type ExtensionHardening and hit Enter key. Now right click on ExtensionHardening and select Modify… option. In Value data box, type 0 Zero and click OK. Go to File and select Exit option exit from the registry. Now open your Excel file. I hope it will work for you. To do so, follow these steps: 1. Select 'Trust Center' and click on 'Trust Center Settings' button. Uncheck all three options and click 'OK'. Now try to open that file again. Hi Dan, Please confirm whether you have tried our demo version of Stellar Excel Repair software. Verify that the file has not been corrupted and that the file extension matches the format of the file. Is my excel still recoverable? Can i share my excel with you to take a look? Thank you for submitting your query. That means the file will be repaired in the same manner as you are able to see them in the preview window after the scanning is complete. However as you are getting message i. File is severely corrupted and can not be previewed, in this case file is severely damaged and it can not be repaired. If you want us to analyze the file then there would be analysis charges to check the possibility of repair. Regards Kartik Stellar Data Recovery In stellar software when i open it says MS Excel not installed stellar software requires ms excel to be installed. Wherein it is already installed. This error does not even allow me to select file it just closes the software 2. Unable to proceed further and i think my excel file is also severely damaged.

I had the same issue some time ago and I solved in that way I can find xlsx extention in the path specified. Uncheck all three options and click 'OK'. Verify that the file has not been corrupted and that the file extension matches the format of the file. Now open your Excel file. It can be hard to chase down the record that is causing it but it is possible. Hope this helps someone.