how to contact the file extension with file type?

[nenfa]

how to contact the file extension with file type? as we know, you can check the option of hidden known file extesion in windows, but how do we identify file extension through file type

[Naveen]

try the SHGetFileInfo() with the SHGFI_TYPENAME flag.

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[Lost User]

You would need to know the format of each type of file that may exist. This information is specific to each application and is not something maintained by Windows itself.