This freeware will save you from downloading and installing a dozen different programs to open all of the most common file extensions that can be found on the Internet, with a single application you will be able to open +75 different file types.
Free Opener is a PDF viewer, a music player, office suite, and image viewer all in one, besides opening the file you are also provided with basic control buttons to view movies and pictures, the software can be customized with various skins and is 21MB in size, operating it will not take too many computer resources, this program is ideal for those running old systems with not much hard disk space, those with a low spec CPU and those who hate a clogged operating system.
FreeOpener main features
Opening of .doc, .docx, .xlsx, .csv without installing Microsoft Office
Opening digital camera RAW files and .psd images without image editor installed
Watch videos and listen to music without installing codecs, including .mov
It can be used as unpacking software, document viewer, video/audio player and image viewer