Guide

1. Inside the main dashboard of the SharePoint list you wish to duplicate, go to the top menu bar and click 'Export'.

2. Choose 'Export to CSV' from the list of options.

3. After that, click 'Home' to return to SharePoint's main panel.

4. Navigate to the top menu and click 'New'.

5. Subsequently, choose 'List' to create a new list under your SharePoint account.

6. Tap 'From CSV' afterwards.

7. Following that, click 'Upload File' and then choose the exported CSV file that contains the SharePoint list you wish to duplicate.

8. Check the content of the columns and then tap 'Next' afterwards.

9. Enter a unique list name and description into the provided input fields. Once done, tap 'Create'.

10. After completing these steps, the exported SharePoint list will be duplicated instantly.