Another option is setting Firefox to open the profile manager[0]. That's what I've always done when I don't want to use multiple accounts on the machine itself

Another option is setting Firefox to open the profile manager[0]. That's what I've always done when I don't want to use multiple accounts on the machine itself. [0]https://support.mozilla.org/en-US/kb/profile-manager-create-remove-switch-firefox-profiles?redirectlocale=en-US&redirectslug=profile-manager-create-and-remove-firefox-profiles https://support.mozilla.org/en-US/kb/profile-manager-create-...