Application form for viewing computer file contents
"Document viewer" redirects here. For the viewer included in GNOME, see
Evince.
This article is about programs for looking inside files. For programs for looking at lists of files, see
file browser.
A file viewer is a utility application software on operating systems, such as Linux, macOS, or Windows. The file viewer is responsible for user access of files located on a data storage device. File viewers allow the user to open and view content[1] on a device, such as a Personal Computer (PC) or a mobile phone.