When you unlink a list in Excel, it removes the link with the SharePoint list. The list will remain intact on the worksheet, but you will no longer be able to synchronize changes with the SharePoint list. The SharePoint list will remain on the SharePoint site.
If you had made changes to the list and have not synchronized, the SharePoint list will not be updated with changed data. You cannot undo unlinking the list.
- On the List toolbar, click List, and then click Unlink List.