If Microsoft Excel fails to recognize a file in the XLSX or XLS format, the data contained in the file could be corrupted. When you open a corrupted workbook in Excel, the program should ...

Many users reported that the issue ‘File format does not match the extension could also be resolved by unlocking the file. So, if you are not able to open the file sent as an attachment, use ...

1] Make sure the file format is supported Photos app supports all the major image and video formats. In case you are trying to open image and video formats like .mxf or some other that are ...

Microsoft Excel has an import wizard, but if you structure the text correctly, you can bypass the wizard altogether.