Forum Discussion
fayaaz
Dec 25, 2023Copper Contributor
New excel file cannot open because the file format or file extension is not valid
Hi. When I right-click on my desktop and create a new Excel file and try to open it, it gives the error "Excel cannot open the file 'New Microsoft Excel Worksheet.xlsx' because the file format or fil...
hakeyaspi
Feb 14, 2025Copper Contributor
Any updates?