Basic information about LSS file

When there is a problem with opening files with the file extension LSS（*.LSS or *.lss）, you do not need a computer expert. In most cases, using the helpful suggestions of experts contained in our website as well as appropriate programs, you can solve the problem with the LSS file yourself.

There are 1 file types using the LSS file extension in our database. In the further part of this page, you will find detail information about all the LSS file with their brief description and a list of programs that support LSS file sorted by operating systems. The table below provides useful information about the LSS file extension. It answers questions such as:
  • What is the LSS file?
  • How to open a LSS file?
  • What programs do I need to open a LSS file?
  • What programs help to create and edit a LSS file?
  • How to convert LSS files to another file format?
  • How to convert another files to LSS file format?


1.Detail information about LSS file extension: LotusScript Source Code

File type LotusScript Source Code Category Developer Files
Developer IBM File format N/A
Description LSS file is a LotusScript Source Code developed by IBM. LSS filename suffix is mostly used for LotusScript Source Code files. LotusScript Source Code format was developed by IBM. LSS file format is compatible with software that can be installed on Windows system platform. Users are advised to use Lotus Domino Designer software for managing LSS files, although 1 other programs can also handle this type of file. Software named Lotus Domino Designer was created by IBM. In order to find more detailed information on the software and LSS files, check the developer’s official website.
Software programs that will open, edit or convert LSS files

Windows		 Lotus Domino Designer
Lotus Notes



How to convert LSS files to another file format?

There are 1 records in our database eligible for LSS files to another file format conversion. If you want to achieve LSS to another files conversion, you may use the option.

LSS to LSA


Can't open a LSS file?

When you click a file to open it, operating system examines the filename extension. If operating system recognizes the filename extension, it opens the file in the program that is associated with that filename extension. When operating system does not recognize a filename extension, you receive the following message:

”Can't open this file: example.LSS”。

To open this file, you install one of the applications from the list of software programs that you found here, you should be able to open, edit or convert the file with the LSS extension without any issue.


Where I can download the application that support LSS file?

If you do not know where you can download the application from our list, click on the link (which is the name of the program), you will find more information there on the location where to download the required application. Most often they are the websites of software manufacturers.


How to change file associations?

  • Right-click a file with the extension whose association you want to change, and then click "Open With".
  • In the "Open With" dialog box, click the program whith which you want the file to open, or click "Browse" to locate the program that you want.
  • Select the ”Always use the selected program to open this kind of file” check box.


Can I change the extension of LSS files?

Changing the filename extension of a file is not a good idea. When you change a file's extension, you change the way programs on your computer read/open the file. The problem is, changing the file extension does not change the file format. Select a software program from our list and install it on your computer. If the file has not opened correctly, you have to look for a different software program from our list. Sometimes you have to repeat the operation several times.


What else may cause problems width open a LSS file?

The reasons for the lack of the ability to open a LSS file on your computer may be at least several. The easiest thing is to find a suitable application installed on your computer, which will open a LSS file. If there is still something wrong, you might want to check:

  • Whether the LSS file is damaged.
  • Whether the LSS file is incorrectly linked in the registry entries.
  • Whether the LSS file extension has been accidentally removed from the Windows registry.
  • Whether the installation of an application that supports the LSS file format is incompletely.
  • Whether the LSS file is infected.
  • Whether the drivers of the equipment used for opening a LSS file are up to date.
  • Whether your computer has enough hardware resources to open a LSS file.

If the LSS file still not working with your software after eliminating the above shortcomings? That means that the problem is more complex and requires the help of a specialist.