1.Export your references using the EndNote XML file format
2. Import the file into Mendeley Desktop.
It's easy to change citation managers. Here's how to switch from Papers, EndNote, or Zotero to Mendeley.
1. In Papers, select File, then Export and select, & select Refman RIS file.
2. In Mendeley Desktop, click Add icon
1. In Mendeley, from the Tools menu, select Options (PC) or go to Preferences (Mac).
2. Mendeley Desktop will attempt to automatically locate your Zotero database. Browse to the correct Zotero library if the default address is not correct.