Hi ww35, See if this helps: From : https://support.mozilla.org/en-US/questions/1236180 ''@corel said'': You can create a cookie allow exception for each involved domain to keep cookies for specific third-party domains. You need to include the proper protocol (http:// or https://) when you create the exception. Options/Preferences -> Privacy & Security Cookies and Site Data -> Exceptions In case you use "Clear history when Firefox closes" or otherwise clear history. Do not clear the Cookies Do not clear the Site Preferences Options/Preferences -> Privacy & Security Firefox will: "Use custom settings for history": [X] "Clear history when Firefox closes" -> Settings https://support.mozilla.org/en-US/kb/delete-browsing-search-download-history-firefox Clearing "Site Preferences" clears exceptions for cookies, images, pop-up windows, and software installation and exception for password and other website specific data Clearing "Cookies" will remove all selected cookies including cookies with an "Allow" exception you may want to keep