Viewing the Version History of an SFDC Query

You can get a list of versions that have been created of an SFDC Query.

1. Navigate to   > Settings > Labs.
2. In the SFDC Query area, click Manage.
3. In the SFDC Queries page, go to the Queries tab in the left sidebar.
4. Find the query you want to view, and click on it to open it for edit.
5. Go to the Versions area. This shows a list of draft and published versions of the query, and who created them. 
6. [Optional] Click Restore to restore a previous version.