Files with .1 extension can be found on any operating system. The files may be transferred to other devices. Yet not all systems can properly handle such files. The .1 extension is used for Unix system calls documentation. You can open a .1 file with the man utility included with most Unix systems. Since Unix man pages are stored in plain text format, you can also open them in text editors. To open .1 files an appropriate program that supports this file format must be installed. Some applications may only open and view file contents. While others may convert files to other formats.
To make sure your .1 file is not corrupted or infected, get the file again and scan it with antivirus software. On Windows: Right click on any .1 file then “Open with”> “Choose another app”. Now select another program and check “Always use this app”. On Mac: Right click the .1 file, click “Open with”> “Other…”.Choose another program and check “Always Open With”.
Thousands face similar problems daily. Here are tips on how to open .1 files and a list of programs that support them. The .1 file is supported on 4 operating systems. Depending on your system, you may need different software to handle .1 files. Below is a summary of programs that support and open .1 files on each system. .1 files contain plain text documentation separated into segments and delimited by markers. They are used for storing level 1 user manuals. Unix man pages are created and edited with any text editor. To associate .1 extension with software in Windows Registry is difficult. Many files contain only simple text data.
