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# Questions and answers

Source: `QA.md`

A complete instructions set is also available, 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.