Ways to open an LSS file
You can open an LSS file in three practical ways: import it into LimeSurvey, inspect it with an LSS-aware tool, or view the XML in a text editor. Each option answers a different question.
A text editor shows raw XML. An inspector gives a safer survey-structure view. LimeSurvey import confirms how the survey is actually recreated in the platform.
What to check before import
LSS files store survey structure, not response data. Look for languages, groups, questions, subquestions, answer options, relevance equations, validations, quotas, and survey settings.
If the file came from a converter or another team, check question order, answer codes, matrix layouts, and logic notes before importing.
Do not use an unfamiliar LSS file directly in a live survey. Inspect it first and test import in a blank or non-critical LimeSurvey environment.
When conversion is the better first step
If you do not already have an LSS file, start with a converter. A structured Word, DOCX, PDF, TXT, or Markdown questionnaire can be turned into a LimeSurvey LSS draft, then inspected before import.
Keep the workflow separate: create or receive the LSS file, inspect the structure, test import in LimeSurvey, then review the rendered survey before launch.
Open LSS File FAQ
How do I open an LSS file?
Open an LSS file by importing it into LimeSurvey, inspecting it with an LSS-aware tool, or reading the XML in a text editor. For generated or unfamiliar files, inspect first and import into a blank or non-critical LimeSurvey survey/site.
Can I open an LSS file without LimeSurvey?
Yes. Because LSS is XML-based, you can inspect the structure without LimeSurvey. However, LimeSurvey is still the final place to confirm how the survey imports and behaves.
Does an LSS file contain responses?
No. An LSS file contains LimeSurvey survey structure such as groups, questions, answers, settings, and logic. It does not contain respondent data.
Is it safe to edit LSS XML by hand?
Manual edits can break LimeSurvey import behavior. If you edit XML, keep a backup, inspect the result, and test import in a non-critical environment before launch.