> ## Knowledge Base Index
> Fetch the complete knowledge base index at: https://learn.vantagespace.com/sitemap.xml
> Use this file to discover available pages before exploring further.
> Pure-Markdown content can be obtained by appending a '.md' suffix to the content URLs listed in the sitemap (without the trailing slash).

# FAQ: How do I re-open a study that has closed?

To protect the quality of your study data, you cannot re-open a study once it has closed. You can [change the closing date of a study](http://learn.vantagespace.com/help-and-faqs/how-do-i-change-the-closing-date-for-a-study) at any time until the study has closed.