How to find the File type without using file extension

Question

0.00/5 (No votes)

See more:

i have DOCX file i changed the XLSX file format. how i find orginal file. example i try signature to find out result but signature value is SAME 50 4B 03 04 14 00 06 00 DOCX, PPTX, XLSX.Please send the source in C#

Posted 23-Jan-14 19:34pm

Member 10308259

Updated 23-Jan-14 23:07pm

v2

Add a Solution

1 solution

Add a Solution

Add your solution here

Treat my content as plain text, not as HTML

Preview 0

…

Existing Members

Sign in to your account

...or Join us

Download, Vote, Comment, Publish.

Your Email
Password
Forgot your password?

Your Email
This email is in use. Do you need your password?
Optional Password

I have read and agree to the Terms of Service and Privacy Policy
Please subscribe me to the CodeProject newsletters

When answering a question please:

Read the question carefully.
Understand that English isn't everyone's first language so be lenient of bad spelling and grammar.
If a question is poorly phrased then either ask for clarification, ignore it, or edit the question and fix the problem. Insults are not welcome.
Don't tell someone to read the manual. Chances are they have and don't get it. Provide an answer or move on to the next question.

Let's work to help developers, not make them feel stupid.

This content, along with any associated source code and files, is licensed under The Code Project Open License (CPOL)

midnight_ · Answer 1 · 2014-01-23T20:04:00

Solution 1

If you're just read Office docs, you can open them as zip file (openxml).

Word docs contains a word folder
Excel docs contains a xl folder

in the openxml-container.

Posted 23-Jan-14 20:04pm

midnight_

v2