Hi, please make sure that your not browsing in Private Mode all the time. https://support.mozilla.org/en-US/kb/private-browsing-use-firefox-without-history Please Copy/Paste about:preferences#privacy to the Address Bar and Enter. Down to History which is right in front of you. and check for either of these to make sure not set that way. : *Firefox will: Never remember history *Firefox will: Use custom settings for history + Always use private browsing mode Check below for Tracking Protection info : https://support.mozilla.org/en-US/kb/tracking-protection Make sure your Security Software is setup properly and is not blocking Gmail.