Citation Managers: Switching Managers

First, 

• Log into RefWorks.
• Go to References > Export > choose RefWorks Tagged Format > Export References.
• Click on the link to the document created in Refworks (it will be a listing all the records you have for items in Refworks).
• Highlight the document to copy the information.

Then, for

Zotero

• Open Zotero. Go to File > Import from Clipboard
• All your records from RefWorks will appear in Zotero. The migration moves the records for the items only. You will need to recreate any Folders - called Collections in Zotero - then drag and drop each item into the appropriate Collection file.

Mendeley

• Open Mendeley

EndNote Basic

• Open EndNote Basic

Importing from Other Reference Managers [into Zotero]
Guide from Zotero; instructions for importing files from Mendeley, Endnote, Citavi, Microsoft Word Bibliography XML, plain text reference lists, Bib(La)TeX, JabRef, and other tools, such as Reference Manager, RefWorks, Papers, Google Scholar Library, ReadCube, etc.

Import References