Mendeley Database Encryption | Zotero Documentation

"Mendeley Database Encryption

Starting in Mendeley Desktop 1.19, Elsevier began encrypting the local Mendeley database, making it unreadable by Zotero and other standard database tools. Elsevier made this change a few months after Zotero publicly announced work on an importer, despite having long touted the openness of its database format as a guarantee against lock-in and explaining in its documentation that the database could be accessed using standard tools. Until recently, Mendeley Desktop imported data from Zotero’s own open database, as it had since 2009...."