Zotero strongly recommends regularly and frequently backing up your library, ideally by using an automatic backup utility to back up your hard drive to an external device. For more information, see the documentation about how Zotero support works.
Issues with file handling (PDFs opening in the wrong application, etc.).Issues with Zotero data (library missing, restoring from a backup, etc.).Zotero also maintains troubleshooting pages that are specific to certain problems: Checking the troubleshooting pages: Zotero maintains a Knowledge Base through which you can search for the problem affecting you.If you are not running the latest version, upgrade Zotero. This is done by selecting 'About Zotero' from the Zotero menu on a Mac or from the Help menu on a Windows or Linux computer. Updating Zotero: First, check to see which version of Zotero you are running.Zotero recommends taking the following steps to troubleshoot problems:
