The .ls1 file extension is associated with the Microsoft Winhelp.

Detailed description

Software that works with ls1 file extension

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LS1 file extension - Microsoft Winhelp source file

What is ls1 file? How to open ls1 files?

File type specification:

Source code and script file type icon Source code and script file type

ls1 file icon: ls1 filetype icon

The .ls1 file extension is related to the Microsoft Winhelp a Windows help files authorizing and editing application. The Winhelp file format is based on Rich Text Format (RTF). The LS1 file stores data sources.

WinHelp was removed in Windows Vista to discourage software developers from using the obsolete format and encourage use of newer help formats.

The default software associated to ls1 file type:

Microsoft Windows icon

Microsoft Corporation logo Microsoft Windows  Microsoft Windows software

Company or developer:
  Microsoft Corporation

Microsoft Windows is a family of operating systems developed by the Microsoft Corp.. The first Windows was released in 1985 as a GUI add-on to MS-DOS.  MS-DOS based Windows versions were developed to 2000, when was released the last version called Windows ME. Windows based on NT core started in 1993. Windows NT family are developed to these days, the latest version is called Windows 10.

Help how to open LS1 files:

This file type is not meant to be opened directly, there is no software that could open and work with it directly, or there is no information available in public sources about opening this file type. This is usually the case of some internal data files, caches, temporary files etc.

How to convert file with extension LS1:

As far as we know, this .ls1 file type can't be converted to any other file format. This is usually the case of system, configuration, temporary, or data files containing data exclusive to only one software and used for its own purposes. Also some proprietary or closed file formats cannot be converted to more common file types in order to protect the intellectual property of the developer, which is for example the case of some DRM-protected multimedia files.

List of recommended software applications associated to the .ls1 file extension

Recommended software programs are sorted by OS platform (Windows, Mac OS X etc.) and possible program actions
that can be done with the file
: like open ls1 file, edit ls1 file, convert ls1 file, view ls1 file, play ls1 file etc. (if exist software for corresponding action in's database).

  • Others ls1 file

Unspecified and all other actions for computer programs working with ls1 file - Microsoft Winhelp source file

Click on the software link for more information about Microsoft Windows. Microsoft Windows uses ls1 file type for its internal purposes and/or also by different way than common edit or open file actions (eg. to install/execute/support an application itself, to store application or user data, configure program etc.).

Microsoft Windows:

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