How To Disconnect Devices From Firefox Sync
Firefox Sync is useful when using Firefox on different devices as it can sync all the browsing data (including passwords) and help with a consistent browsing experience. It is a good practice to disconnect devices that you no longer use Firefox on and so remove syncing from them for better online security.
Here is how to do that:
Access Firefox preferences by typing in the address bar:
about://preferences
Click...
How To Configure Selective Syncing In Different Browsers
Syncing browsing data is a useful feature that is found in various browsers. It can help to maintain a consistent browsing experience across different devices. This requires a sync account depending on the browser which can be used to sign in anywhere and download the synced data.
You can however choose what to sync and make available instead of syncing everything like typed-in data, browser history,...
