Oct 29, 2023 · Hello, It seems like Excel is not recognizing the association between .xlsx files and the Microsoft Excel program. This can happen when the file association settings are changed or when …

Dec 13, 2023 · Can't open XLSX file, extension not valid Hello, I can't open an Excel file that is important to me due to the extension not being valid or corrupted. I've tried about everything that I could find …

Hi All, I have a excel.xlsx file saved in my system which has been corrupted .I atleast need to recover the data stores .It is a file of 124 KB and has...

Oct 21, 2021 · All xlsx files now show with an IE symbol and will try to open in internet explorer (without success of course). The workaround is to right click on the file and select "open with" excel. That is …

Jul 1, 2024 · I deleted the tag entirely, saved, and closed the XML file. After that, I put all the modified files back into the ZIP file and changed the file extension from .zip back to .xlsx. When I opened the …

Jul 16, 2022 · Now, choose the “View” tab and enable “File Name Extension.” After enabling the “File Name Extension,” you can change the extension of any file. Method 2: Open and Repair Method The …

Aug 27, 2022 · MDP2021 Migrating Excel files to OpenOffice, or vice versa, always involves some compatibility problems. In the new version of Openoffice you can open an .xlsx file directly, but if you …

Jan 10, 2025 · Here's how they can do it: Open the file in Excel 365. Click on "File" > "Save As". Choose the desired format (e.g., Excel 97-2003 Workbook, .xls) from the "Save as type" dropdown menu. …

Microsoft does not consistently adhere to the .xlsx format. In particular, there is no compatibility between Excel 2016 and Excel 365 and Excel 2019. In order not to be misunderstood, for me it is Microsoft …

Dec 25, 2023 · I can open other existing excel files and can even create a new workbook from the excel app when its opened but I want to know why this is happening and how to resolve it. Hi. You've had …