Have you ever had a problem of not being able to open a file? Try as you must, but you just cannot find a program to open it. Or, maybe you have multiple different programs downloaded to open different types of files. Free Opener, a freeware tool, may be able to solve your problems:
With Free Opener you no longer have to worry about opening files again.
Free Opener works on any Windows based system to help you quickly and easily open PDF files along with 75+ other extensions. It allows users to view, edit and print without having to download specialty software.
– Open files without installing Microsoft Office
– Watch video
– Listen to any sound file
– View your image files
– Open Digital Camera RAW files
Opens 75+ file types on Windows including (but not limited to) PDF, DOC, AVI, DOCX, ZIP, JAR, XML, HTML, SWF, 7Z, PHP, XLSX, MKV, FLV, XLS, JPEG, TXT, PSD, WMV, CR2, PPT, PPTX, CRW, GIF, MSG, NEF, TIFF, JPG, MOV, MP4, LOG, PNG, CS, INI, MPEG, MPG, CSS, MP3, CFG, HTM, BMP, JS, XLSM, WA, ICO, REG, DNG, ARW, MID, ORF, RAF, PEF, RESX, CF2, ERF, MEF, MRW, SR2, X3F.
I tested it on several file-types and it works pretty well. It does not, however, read the subtitles of videos.
Free Opener’s website has not bee don’t rated by WOT yet and the file is too big to be scanned by VirusTotal. However, Softpedia (& Dr. Web) guarantees that Free Opener 1.0 is 100% CLEAN.
Free Opener homepage: http://www.freeopener.com/ 
Download link: http://www.freeopener.com/freeopener_setup.exe 
Softpedia clean gaurantee: http://www.softpedia.com/progClean/Free-Opener-Clean-188377.html