Translations:Exporting results/164/en
From LimeSurvey Manual
In order to make multiple changes to responses, you may choose to Export and open a file in Excel. Make changes to the data (other than the top lines) and then save as a .txt file. If you save as .csv, Excel uses comma-delimits which will not import into LimeSurvey. By saving as a .txt file, Excel saves as a tab-delimited file which imports back into LimeSurvey.