To find duplicate references:
- In the left side menu pane, click on All References to display all the references in your library
- From the menu bar, select Library > Find Duplicates

If you have duplicate references in your library, the Find Duplicates dialog box will appear. For each set of duplicates, you have the following options:
- Option 1: Click Keep This Record to save the preferred reference and discard the other in the trash.
- Option 2: Click Skip to leave both references in the library. The references will be placed in a temporary Duplicate References group for later review

To remove all the duplicate references in the Duplicate References Group In the left side menu pane:
- Click on the Duplicate References Group
- From the menu bar, select References > Move References to Trash
