Opening an LSS File

The LSS file type is primarily associated with LimeSurvey.

LSSFile Extension LSS
File extension: LSS
File type:  data/configuration file

What is an LSS file

LSS files mostly belong to LimeSurvey. LSS files are not a single file type but rather a file extension used in various systems.
They can be:
  • LimeSurvey Survey files: These XML files store survey questions, responses, and settings. More details on the LimeSurvey website.
  • LiveSplit splits files: Also formatted in XML, these files keep game split times for speedrunning. Check out LiveSplit.
  • Land Survey System files: These follow a LandXML schema and hold survey data from the field.
  • Startup image files: A small group of LSS files contain a logo or start screen image for specific programs.
  • SQLite database files: Marked with SQL data, these operate as SQLite databases. More at SQLite.
  • LeCroy oscilloscope setup files: Used to store instrument configuration for LeCroy devices. See LeCroy.
  • LaserStar or scoreboard script files: These hold design or script data for laser shows or digital scoreboards (supported by companies like Lasershow Designer, Pangolin, or FinishLynx). Links are available at Pangolin and FinishLynx.

  • FilExt.com tips: To view an LSS file, first inspect it with a text editor. If it uses XML, you can see its structure easily. For full editing and proper use, open it in the application that created it.

    How can I open an LSS file?

    You need a suitable software like LimeSurvey to open an LSS file. Without proper software you will receive a Windows message "How do you want to open this file?" or "Windows cannot open this file" or a similar Mac/iPhone/Android alert. If you cannot open your LSS file correctly, try to right-click or long-press the file. Then click "Open with" and choose an application. You can also display a LSS file directly in the browser:. Just drag the file onto this browser window and drop it.

    Online LSS File Viewer

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    How to convert LSS files to JPG, PDF, HTML, DOC, ...

    If you want to convert or edit an LSS file, you can use our free Online LSS File Converter (powered by Convert.Guru):
    1. Just click the "Choose your .lss file to view this image" button on this page.
    2. After your file is opened in browser,
    3. click "Save as..." in the menu.
    4. Then click the file format (e.g. PDF, JPG, DOCX, TXT, ...) you want.
    5. Download the converted file.

    Programs that open and convert LSS files:

    1. LimeSurvey
      See the previous paragraphs to learn more about the main application. LSS files are often referred to as LimeSurvey data files because this type of file is primarily created or used by this software.
    2. Legato Spreadsheet
      Legato/IBM Works for OS/2.
    3. LotusScript
      LotusScript is a dialect of Basic used as the application extension and macro language for Lotus's line of office automation software. It has some object-oriented programming features and extensive application integration and interface facilities. LotusScript corresponds directly to Microsoft Visual Basic for Applications and Corel CorelScript. Related links: LotusScript Documentation
    4. LSS (Survey File) by McCarthy Taylor Systems Ltd
      LSS is a Windows-based 'Digital Terrain Modelling' system which feeds on 3D data to create triangulated data models which can be viewed, searched and edited. This file format is classified as CAD/CAM.

    LSS file format details:

    If you know the file format, you can also find out how to open or edit the file. The initial characters of a file are called signature, sometimes also referred to as "magic bytes". The signature can be used to infer the file format. However, different programs can use the same file extension, and file extensions can be assigned incorrectly. When there is a problem with a file, the first step to solving it is to determine the file format. Below you will find our evaluation of the LSS files:

    The LSS file extension is very common and includes different formats for the applicable programs. But the following two file formats are common:

    All the rest of the LSS files (30%) have different formats, often, for example, LSS16 SYSLINUX Splash image, Handy savestate, config, XStreamDSO and SGB. Files like these are sometimes linked to splits, last, visiongl, epoch, profile, levels, base or game. If you want to find out what your LSS file contains, drag and drop it onto this page.

    Technical Data for LSS File Extension

    File classification:
    Data
    Related files:
    lsc, scr, lsl, zip, bilal momane lss, ls12s, lsa, iss, lyt, lsg, lsq, exe, ppm, png, txt, xml, rar, hat, elf, dll, nii, jpg, db, sqlite, ini, cfg

    The following listing is compiled from the database produced by the 'Associate This!' program, selected data from the main FILExt database and file extension information submitted by users.

    ProgramID: XnView.Image
    EXEFile: %ProgramFiles%\XnView\xnview.exe %1

    ProgramID: ECT.Document
    EXEFile: %ProgramFiles%\InMotion\ECT\ECT.exe


    an lss data/configuration file is a special file format and should only be edited and saved with the appropriate software.

    How to solve problems with LSS files

    • Associate the LSS file extension with the correct application.
    • Update your software that should actually open data/configuration files. Because only the current version supports the latest LSS file format. Search, therefore, e.g. on the manufacturer website after an available LimeSurvey update.
    • To make sure that your LSS file is not corrupted or virus-infected, get the file again and scan it with Google's virustotal.com.
    • Click here to open your .LSS file online - secure, fast, and no downloads needed.
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    LSS file viewer LSS file description