How to Convert Word file to text with same alignment?

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C#3.5

Hello sir I Convert the .docx file into .txt but the problem is that when we convert some application form it converted into into text but in line by line not in same that application form.
I Wnat it to convert this application form in text as same formatted like
e.g.
FORM A1 (COLOURED)
FORM OF APPLICATION FOR PURCHASE OF KISAN VIKAS PATRA (BY
INVESTMENT THROUGH AGENTS)
Serial No……………………
To
The Postmaster…………………………………….. Post office

I/We hereby tender Rs…………………….(Rupees…………………………… only)in cash/
by cheque No…………………………………… for the purchase of Kisan Vikas Patra of the type single/Joint A/Joint B.
Date : Signature of Postmaster

How it same in this format?