Export/save specific data from a html file to word or text or excel or csv extension

Export/save specific data from a html file to word or text or excel or csv
extension

I have some huge html files in ".txt" extension. I want to extract
information such as Name, Address, Mobile No, E-mail Address and want to
save it in a text or excel or csv so that it will be easier for me to
access data...Please help as soon as possible.
Thanks - Vikram Kumar