During Migration from SharePoint 2010 to sharePoint 2013, the chances are very high that View dropdown may be completed missed out. To bring back all the views associated with the SharePoint List or Document Library, the following steps can be done.
Steps :
- Navigate to the list
- Go to List -> List Settings.
- Click on Advanced Settings.
- Look for Quick Edit Option and just swith off it.
Hope it helps someone in some way. Happy SharePointing :-)