Language1
Unix unformatted manual page
File type: Text file
Files with 1 file extension can be commonly found on Unix platform and used for some document system.
Found 10 different file type records with the same 1 filename suffix.
What is 1 file?
File type category:
Text file
Date updated: December 31, 2024
The 1 file extension is associated with the Unix and Unix based operating systems available for various computer platforms developed by AT&T Inc.
This type of .1 file contains unformatted manual page stored in Unix processing document system file format (Roff/nroff/troff/groff).
These documents contains overview of general commands for the Unix operating system.
Example of .1 pages:
chmod.1
mkdir.1
rmdir.1
How to open 1 file?
As far as we know, this file type can be accessed on Unix or perhaps also some Linux distribution system.s
How to convert 1 file?
Possibly can be exported to other text or document formats with some app on Unix/Linux platform.
Suggested software to open 1 file:
Associated software actions with the 1 file
Software applications that can open 1 files:
Sublime Text (Microsoft Windows)
Sublime Text for Mac (Apple macOS / Mac OS X)
Sublime Text for Linux (Linux/Unix)
GNU Emacs (Multiplatform)
Software applications that can edit 1 files:
Sublime Text (Microsoft Windows)
Sublime Text for Mac (Apple macOS / Mac OS X)
Sublime Text for Linux (Linux/Unix)
GNU Emacs (Multiplatform)
Software capable of saving 1 files:
Sublime Text (Microsoft Windows)
Sublime Text for Mac (Apple macOS / Mac OS X)
Sublime Text for Linux (Linux/Unix)
GNU Emacs (Multiplatform)
Software applications that handle other tasks involving 1 files:
macOS (Apple macOS / Mac OS X)
Mac OS X (Apple macOS / Mac OS X)
Unix (Linux/Unix)
Linux operating systems (Linux/Unix)
FreeBSD (Linux/Unix)
NetBSD (Linux/Unix)
Solaris (Other operating systems or devices)
AIM AOL Instant Messenger file
File type category:
Various data file
Date updated: October 23, 2017
The 1 file extension is used by AIM AOL Instant Messenger instant messaging client. The .1 file contains various data used for internal purposes of the AIM instant messenger. Similar files can be numbered from .1 to .999.
How to open 1 file?
It is not meant to be opened manually by the user.
How to convert 1 file?
The files with 1 extension are not convertable.
Suggested software to open 1 file:
Associated software actions with the 1 file
Software applications that handle other tasks involving 1 files:
AOL Instant Messenger (AIM) (Microsoft Windows)
GNU Screen log
File type category:
Various data file
Date updated: December 27, 2018
The 1 file extension is associated with the Screen full-screen window manager that multiplexes a physical terminal between several processes.
The .1 file contains saved log data with information about running processes.
How to open 1 file?
Probably not meant to be accessed by the user.
How to convert 1 file?
Probably cannot be converted to anything else.
Suggested software to open 1 file:
Associated software actions with the 1 file
Software applications that handle other tasks involving 1 files:
Screen (Linux/Unix)
Google Android cache
File type category:
Temporary file
Date updated: December 25, 2024
The 1 file extension is associated with the Google Android, an operating system for smart phones, tablets and other smart devices.
The 1 file stores cached data used by system, or Android apps.
How to open 1 file?
Probably not meant to be accessed by the user.
How to convert 1 file?
Probably cannot be converted to anything else.
Suggested software to open 1 file:
Associated software actions with the 1 file
Software applications that handle other tasks involving 1 files:
Google Android (Google Android)
Inno Setup binary data
File type category:
Binary file
Date updated: January 2, 2019
The 1 file extension is associated with the Inno Setup, a free application used to create Windows application installation packages. The .1 file contains binary data used in an installation process of an application.
How to open 1 file?
This file type cannot be opened manually, you need to initiate the whole installation procedure to access the data.
How to convert 1 file?
You cannot generally convert installation files to anything else.
Suggested software to open 1 file:
Associated software actions with the 1 file
Software applications that can open 1 files:
Inno Setup (Microsoft Windows)
Software apps that create 1 files:
Inno Setup (Microsoft Windows)
Software apps that extract 1 files:
Inno Setup (Microsoft Windows)
Mozilla Firefox cookie, image, popup permissions
File type category:
Internet related file
Date updated: June 27, 2025
File extension 1 is associated with the Mozilla Firefox and Netscape Navigator web browsers.
This type of .1 files is used for cookie, image, popup permissions files. It is used in earlier versions of these browsers.
How to open 1 file?
Likely can only be accessed using Mozilla Firefox and maybe only in particular (older) versions.
How to convert 1 file?
As far as we could tell, no conversion for .1 files is possible.
Suggested software to open 1 file:
Associated software actions with the 1 file
Software applications that handle other tasks involving 1 files:
Netscape Navigator (Microsoft Windows)
Firefox (Microsoft Windows)
Pro/ENGINEER backup file
File type category:
Backup file
Date updated: March 16, 2017
File extension 1 is also associated with the Pro/ENGINEER (Creo Elements/Pro) 3D CAD/CAM/CAE modeling software.
A .1 file contains backup of Pro/ENGINEER data used as a prevent against computer crash.
How to open 1 file?
It appears that these files are automatically loaded in Pro/ENGINEER in case the computer does crash, they are not meant to be opened directly bt the user.
How to convert 1 file?
A conversion of any kind for .1 backup files is highly unlikely.
Suggested software to open 1 file:
Associated software actions with the 1 file
Software apps that backup 1 files:
Pro/Engineer (Creo Elements/Pro) (Microsoft Windows)
Software apps that recover 1 files:
Pro/Engineer (Creo Elements/Pro) (Microsoft Windows)
Stuffit archive file
File type category:
Archive and compressed file
Date updated: November 6, 2018
The 1 file extension is associated with the Stuffit compression utility for Mac and Windows also older versions are available for Linux and Solaris.
The 1 file contains the first part of Stuffit split archive.
How to open 1 file?
Use Stuffit to open *.1 archive files.
How to convert 1 file?
Probably cannot be converted to other formats.
Suggested software to open 1 file:
Associated software actions with the 1 file
Software applications that can open 1 files:
Stuffit (Microsoft Windows)
StuffIt Deluxe (Microsoft Windows)
StuffIt Expander (Microsoft Windows)
StuffIt for Mac (Apple macOS / Mac OS X)
StuffIt Deluxe for Mac (Apple macOS / Mac OS X)
StuffIt Expander for Mac (Apple macOS / Mac OS X)
Software apps that create 1 files:
Stuffit (Microsoft Windows)
StuffIt Deluxe (Microsoft Windows)
StuffIt for Mac (Apple macOS / Mac OS X)
StuffIt Deluxe for Mac (Apple macOS / Mac OS X)
Software apps that extract 1 files:
Stuffit (Microsoft Windows)
StuffIt Deluxe (Microsoft Windows)
StuffIt Expander (Microsoft Windows)
StuffIt for Mac (Apple macOS / Mac OS X)
StuffIt Deluxe for Mac (Apple macOS / Mac OS X)
StuffIt Expander for Mac (Apple macOS / Mac OS X)
Super Nintendo split ROM image
File type category:
Emulator file
Date updated: January 3, 2019
The 1 file extension is associated with the Super Nintendo ROM image file format used by various SNES emulators such as Snes9x.
This type of .1 files contains the first part of the split ROM image. To open split ROM you need to have all parts of it.
How to open 1 file?
Use Snes9x to open *.1 Super Nintendo ROM files.
How to convert 1 file?
You cannot usually convert this type of ROM images, unless some emulation software supports transfer between different emulators.
Suggested software to open 1 file:
Associated software actions with the 1 file
Software applications that can open 1 files:
Snes9x (Microsoft Windows)
Software applications that handle other tasks involving 1 files:
Snes9x (Microsoft Windows)
The File Splitter split file
File type category:
Archive and compressed file
Date updated: May 17, 2012
The 1 file extension is associated with The File Splitter utility used to split any data into pieces of any size and restore pieces back to original file. The .1 file contains the first part of split file created by The File Splitter.
Suggested software to open 1 file:
Associated software actions with the 1 file
Software apps that create 1 files:
The File Splitter (Microsoft Windows)
Software apps that recover 1 files:
The File Splitter (Microsoft Windows)
Software applications that handle other tasks involving 1 files:
The File Splitter (Microsoft Windows)