12O file format description
Many people share .12o files without attaching instructions on how to use it. Yet it isn’t evident for everyone which program a .12o file can be edited, converted or printed with. On this page, we try to provide assistance for handling .12o files.
1 filename extension(s) found in our database.
.12o - EditPlus Data
The 12O data files are related to EditPlus. 12O file is an EditPlus Data. EditPlus is a text editor for Windows with built-in FTP, FTPS and sftp capabilities.
Naturally, other applications may also use the .12o file extension. Even harmful programs can create .12o files. Be especially cautious with .12o files coming from an unknown source!
Can't open a .12o 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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