Tip to Help Determine What Produced a File

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Gerry has posted recently having trouble opening an .eps file in Corel X4. 

I posted the following there but may not have reached many so I'm re-posting here in Tips -

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Okay.  Here's a tip for you guys (and gals).

Sometimes people send files with wrong extension types (Really?) or.....files that have common file extension types, like .eps and others, which can be output from a number of applications.

Try downloading Notepad++ from

http://download.cnet.com/Notepad/3000-2352_4-10327521.html

It lets you open these files in edit mode just to try and figure out how it was produced.  There's almost always something in the first few lines that tells what software created it, the version and a date.  In Gerry's file, the following lines were in the front of the file showing it was created using Illy 15.0 -

%ADO_DSC_Encoding: MacOS Roman
%%Title: WOF-GRAY.eps
%%Creator: Adobe Illustrator(R) 15.0
%%For: Nunn
%%CreationDate: 9/21/12

I'm sure there are other ways to do this too, but Notepad++ is easy, simple.......and it's free.