"The file format and extension don't match. The file could be corrupted or unsafe." Please provide solution to handle this error. Thanks in advance Loretta All replies (16) Friday, May 25, 2018 4:57 AM ✅Answered I visited this URL before. I still unable to fix this error. Any...
Now try to open the Excel file. If you are still getting the Excel file cannot open error, you can refer to the following thread and article: https://social.technet.microsoft.com/Forums/office/en-US/63020ccc-51d7-46d9-b956-121c0e6efcc8/excel-file-error-the-file-format-an...
When any Office file is opened on Content Server, an Office application such as Microsoft Excel displays a warning prompt. After clicking OK, the file opens."The file format and extension of [filename].xls don't match. The file could be corrupted or unsafe. Unless you trust its source, ...
return File(fileStream, "application/ms-excel", "fileStream.xls"); //第三种:使用FilePathResult //服务器上首先必须要有这个Excel文件,然会通过Server.MapPath获取路径返回. var fileName = Server.MapPath("~/Files/fileName.xls"); return File(fileName, "application/ms-excel", "fileName.xls"); }M...
Help! Message: The file format and extension of .xls don't match. I have a many-years-old excel file that just this morning gave me the message "The file format and extension of 'Ameriprise Monthly.xls' don't match". I am a non-tech user. That "Ameriprise Month....
Issues opening Excel documents - File format and extension of 'orders.xls' don't match. The file could be corrupted or unsafe. Unless you trust its source, don't open it. Do you want to open it anyway? Issues with Excel in a Citrix enviroment Japanese text in VBA Jet missing from Win...
The file format of an Excel worksheet is .xlsx or .xls. Whenever the user opens any file, it is opened with the same extension. However, some users may encounter errors when opening or editing an Excel file in Office 2003, 2007, 2010, 2013, 2016, 2019, and 365. The error message re...
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You are facing following error when "double click" to open file downloaded from SAP with Excel version 2007 or above. Excel cannot open the file '*.xlsx' because the file format or file extension is not valid. Verify that the file has not been corrup
The error can happen opening any Office file type, not just Excel files as shown in the image below. The error says:"Cannot open the file ... because the file format or extension is not valid. Verify, that the file has not been corrupted and that the ...