# Questions and answers A complete instructions set [is also available](https://agdamsbo.github.io/FreesearchR/articles/FreesearchR.html), but below are a collection of questions and answers about the project and use of the ***FreesearchR*** app. ## Are you keeping the uploaded data? No! All uploaded data is deleted when the session ends, so only stored for your analyses and the immediately deleted. ## How do I merge multiple datasets? You can merge multiple sheets from ods or xls(x) files on import when a common key variable is present in selected sheets. Multiple file upload/merge is currently not supported.