'''FYI... Firefox Sync IS NOT A DATA BACKUP SERVICE''' https://support.mozilla.org/en-US/kb/how-do-i-set-sync-my-computer https://support.mozilla.org/en-US/kb/how-do-i-choose-what-information-sync-firefox '''Sync Firefox data''' https://support.mozilla.org/en-US/kb/sync https://www.mozilla.org/en-US/firefox/features/sync/ https://hacks.mozilla.org/2018/11/firefox-sync-privacy/ '''Sync is not a backup tool but it is a good sync/transfer/move tool''' https://support.mozilla.org/en-US/forums/contributors/707681

Post a full browser screenshot showing where you are seeing that option.

Hi, Are you on Windows 10? Currently, creating backups is not available on other OSs. Particularly, on Windows 11, you can only restore from already created backups. Is that your case?