Firefox Sync doesn’t copy of those. https://support.mozilla.org/en-US/kb/how-do-i-choose-what-information-sync-firefox https://support.mozilla.org/en-US/kb/how

Firefox Sync doesn’t copy of those. https://support.mozilla.org/en-US/kb/how-do-i-choose-what-information-sync-firefox https://support.mozilla.org/en-US/kb/how-do-i-choose-what-in...