Aspose Cells file validation

Aspose.Cells Product Family
1

I created a txt file then I just changed the file extension into .xlsx, does Aspose cells detect that the file is not valid just like Aspose Word?

2

@mhore1522,
For file detection, you can refer to the following documents:

3

@mhore1522
Do you want to detect that the file content does not match the suffix name?
FileFormatUtil.DetectFileFormat() will detect the file type by the content of the file, then you can compare the detected file type with extension.