WebJul 3, 2016 · I can corroborate that mucking about with file.extension can solve this. I load an xlsx with apparenetly some extras, it wouldn't open if sent in a response as "xlsx". It did open in libre office. When the file.extension was changed to xlsm the file could be opened. – WebRepair a corrupted workbook manually. On the File tab, click Open. In Excel 2013 or Excel 2016, click on the location where the spreadsheet is located, and click Browse. In the Open dialog box, select the corrupted workbook that you want to open. Click the arrow next to the Open button, and then click Open and Repair. Do one of the following:
Repairing a corrupted workbook - Microsoft Support
WebSep 7, 2024 · "Excel cannot open the file 'PRW - Linda.xlsx' because the file format or file extension is not valid. Verify that the file has no been corrupted and that the file extension matches the format of the file." After looking at and attempting to open 3 files that MS support created from the original .xls file, they too do not open for the same reason. http://www.iotword.com/9010.html darwin motor group reviews
XLRDError: Excel xlsx file; not supported Databricks
WebJan 19, 2024 · 1 Answer Sorted by: 0 ClosedXML generates .xlsx files, not .xls files. Check your code: Response.AddHeader ("content-disposition", "attachment;filename= "+fileName + ".xls"); Share Improve this answer Follow answered Jan 21, 2024 at 17:46 Francois Botha 4,299 1 33 43 Thanks for reply. ClosedXML is able to generate .xls file through my code. WebTo view or edit the file in Office for the web or Office Web Apps, open the file in Microsoft Office Excel 2010, in Microsoft Office PowerPoint 2010, or in Microsoft Office Word 2010, and then save the file by using one of the supported formats. The following table shows the recommended file formats for Office for the web and Office Web Apps. WebAug 17, 2024 · ️ Excel file not opening? Here are 5 easy ways to fix it ... media, archives, emails, cameras, infographics, source codes and many more are all supported by this tool. This is what it does: open all files in the same environment. Download now . Newsto read. ... when trying to open HTML or XLA files with an Excel .xls extension, the program ... bitchemy ventures