Open different file types on your computer. Open Microsoft Office documents, Adobe PDF Files, and many other image, movie, and music file types. No specialty software is required to open any of these file formats. With Free Opener, once you download the software, you no longer have to worry about opening files again. Opens 75+ file types on Windows including PDF, DOC, AVI, DOCX, ZIP, JAR, XML, HTML, SWF, 7Z, PHP, XLSX, MKV, FLV, XLS, JPEG, TXT, PSD, WMV, CR2, 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.