![php - The file format and the extension of filename.xls don't match. This file could be corrupted and unsafe - Stack Overflow php - The file format and the extension of filename.xls don't match. This file could be corrupted and unsafe - Stack Overflow](https://i.stack.imgur.com/9bJQr.png)
php - The file format and the extension of filename.xls don't match. This file could be corrupted and unsafe - Stack Overflow
![The file format and extension of 'adxloader.Controller.ExcelLink.dll' don't match" when launching Excel The file format and extension of 'adxloader.Controller.ExcelLink.dll' don't match" when launching Excel](https://www.ibm.com/support/pages/system/files/support/swg/cogtech.nsf/0/d710a797dce6da6385257e3000317ac5/Symptom/0.84.gif)
The file format and extension of 'adxloader.Controller.ExcelLink.dll' don't match" when launching Excel
![The file format and extension of 'CalcbenchExcelXLL64Packed.xll' don't match. The file could be corrupted or unsafe... – Calcbench The file format and extension of 'CalcbenchExcelXLL64Packed.xll' don't match. The file could be corrupted or unsafe... – Calcbench](https://knowledge.calcbench.com/hc/article_attachments/360042537554/mceclip0.png)
The file format and extension of 'CalcbenchExcelXLL64Packed.xll' don't match. The file could be corrupted or unsafe... – Calcbench
![c# - The file format and extension of don't match. The file could be corrupted or unsafe - Stack Overflow c# - The file format and extension of don't match. The file could be corrupted or unsafe - Stack Overflow](https://i.stack.imgur.com/HvitP.png)
c# - The file format and extension of don't match. The file could be corrupted or unsafe - Stack Overflow
![The file you are trying to open ... different format than specified by the file extension" when running Standard Reports to XLS format, using Excel 2007 (or later) The file you are trying to open ... different format than specified by the file extension" when running Standard Reports to XLS format, using Excel 2007 (or later)](https://www.ibm.com/support/pages/system/files/support/swg/cogtech.nsf/0/dfb629813fce52f7852579ec002d3c78/Symptom/0.5E04.gif)
The file you are trying to open ... different format than specified by the file extension" when running Standard Reports to XLS format, using Excel 2007 (or later)
![The file format and extension of 'CalcbenchExcelXLL64Packed.xll' don't match. The file could be corrupted or unsafe... – Calcbench The file format and extension of 'CalcbenchExcelXLL64Packed.xll' don't match. The file could be corrupted or unsafe... – Calcbench](https://knowledge.calcbench.com/hc/article_attachments/360042538394/mceclip0.png)
The file format and extension of 'CalcbenchExcelXLL64Packed.xll' don't match. The file could be corrupted or unsafe... – Calcbench
![ERROR: The file format and extension of don't match. the file could be corrupted or unsafe - Help - UiPath Community Forum ERROR: The file format and extension of don't match. the file could be corrupted or unsafe - Help - UiPath Community Forum](https://global.discourse-cdn.com/uipath/original/3X/d/9/d9777cbd72120ab0e14f5e8e3af9c2ddf2a9932b.png)
ERROR: The file format and extension of don't match. the file could be corrupted or unsafe - Help - UiPath Community Forum
Excel cannot be open the file 'filename.xlsx' because the file format or file extension is not valid - Microsoft Community Hub
![Open Web Page Excel and Save As XLSX - Cannot open excel file and format don't match - StudioX - UiPath Community Forum Open Web Page Excel and Save As XLSX - Cannot open excel file and format don't match - StudioX - UiPath Community Forum](https://global.discourse-cdn.com/uipath/original/3X/7/4/744e9f94000d06fa1569c06887aa2aab8de2796b.png)