9 file format description
Many people share .9 files without attaching instructions on how to use it. Yet it isn’t evident for everyone which program a .9 file can be edited, converted or printed with. On this page, we try to provide assistance for handling .9 files.
1 filename extension(s) found in our database.
.man - Unix Manual Page
MAN file is a Unix Manual Page. Almost all substantial UNIX and Unix-like operating systems have extensive documentation known as man pages (short for "manual pages"). The Unix command used to display them is man. Each page is a self-contained document.
- Document files
- - / -
- 1, 2, 3, 4, 5, 6, 7, 8, 9
- Unix Manual Page related extensions:
Naturally, other applications may also use the .9 file extension. Even harmful programs can create .9 files. Be especially cautious with .9 files coming from an unknown source!
Can't open a .9 file?
When you double-click a file to open it, Windows examines the filename extension. If Windows recognizes the filename extension, it opens the file in the program that is associated with that filename extension. When Windows does not recognize a filename extension, you receive the following message:
Windows can't open this file:
To open this file, Windows needs to know what program you want to use to open it. Windows can go online to look it up automatically, or you can manually select one from a list of programs that are installed on your computer.
To avoid this error, you need to set the file association correctly.
- Open Control Panel > Control Panel Home > Default Programs > Set Associations.
- Select a file type in the list and click Change Program.
DataTypes.net currently supports the following operating systems:
Windows XP/Vista, Windows 7/8, Windows 10, CentOS, Debian GNU/Linux, Ubuntu Linux, FreeBSD, Mac OS X, iOS, Android
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