Firefox Community Forum

Hello,

I'm experiencing an issue with Firefox Sync that has become increasingly frustrating over time. Every time I reinstall Firefox on a new system and sign in to my Mozilla (Firefox) Account, not all of my previously selected settings are restored, only some of them appear to sync correctly.

For clarity, I have Sync configured to include only the following:

• Bookmarks
• Add-ons
• Settings

I intentionally do not sync:

• Passwords
• History
• Addresses
• Open tabs
• Payment methods

Despite syncing "Settings," many of my custom configurations (such as certain privacy preferences and UI tweaks (customized toolbar) do not get restored. This forces me to manually go through all the settings each time, compare them to my previous setup, and reconfigure Firefox, which defeats much of the purpose of having a sync feature in the first place.

I have never faced this issue with Chromium-based browsers, where settings sync tends to be more comprehensive and consistent.

My questions:

1. Why are some Firefox settings not included in the sync process?
2. Is there a documented list of which settings are actually synced when "Settings" is enabled in Sync?
3. Are there any plans to improve the completeness of settings synchronization in future Firefox releases?

Any insight or official guidance would be greatly appreciated. I really value Firefox, but this ongoing sync limitation is making it harder to maintain a consistent browsing experience across devices.

Thank you for your support.

A new Mac App I bought called "CleanMyMac" deleted all my Firefox passwords on my Mac, which was not my intention. (And shame on CleanMyMac for not putting up a warning message.) I didn't want that accidental deletion to be spread to my various iOS devices (causing me to lose passwords there too) so I have turned off Sync for now. I have since recreated my passwords on my Mac (and exported them to a file for backup) and want to resume Syncing. What can I do to ensure that when I turn Sync back on the newly created Password data on my Mac gets priority over the older (now obsolete) password data on my iOS devices?

In other words, I want the passwords on my Mac to replace (via Sync) the obsolete passwords on my iOS devices.

Is there are way to tell Firefox which version should have priority? It was a huge amount of work to recreate all my passwords and logins.

Thanks!

Hello, we were just assigned brand new laptops at work. I had IT install Firefox for me, and I'm attempting to sync my firefox account with my previous one so that I can load all the open tabs I had on my previous laptop. I appeared to have signed into my account just fine on the Mozilla pages, but when I go to the hamburger menu in the top right of the browser, I see no icon for my profile, nor any option for "sign in and sync" like the help guides are instructing me to click on. I can't pull up anything related to syncing in the settings, either. What exactly am I missing? Any help is appreciated, thank you!

Hello,

I would like to clear all of my sync data from my firefox account. This includes browsing history, passwords, payment methods, extensions, bookmarks, favourites, themes.

Thank you for your time.

I have logged into my account on three computers: personal linux, personal windows, and work. Previously, I could easily disable the extension on one computer and it continued to work on others. Now, when the "Plasma integrations" extension is disabled on Windows computers, it is also disabled on linux. If I disable some extensions on my work computer, it will also be disabled on my personal computers. If I disable extension synchronization on my work computer, it will also be disabled on others. That is, if I log in to my account on a new device, I will have to manually install extensions. Question: How can I return to the old behavior, when it was possible to disable installed extensions on only one device?

I cannot find "Sync and save data" button in my mobile browser, making it impossible to sync the devices. The instructions provided by the settings lead me into the dead end.

I find myself in an unfortunate situation; my computer was remotely accessed without my permission, my email and data compromised, identity stolen and more. While I have been working on that, and reporting such things to the appropriate companies and authorities, I am left in one of many unfortunate situations. My Firefox account was signed in, thus leaving passwords in the manager compromised, as visible as if it were someone sitting at my computer with it unlocked. I am working to change those passwords, documenting them offline, but I am worried to sign into my Mozilla account on a desktop computer, in the event that any malicious add-ons or extensions were installed. 1. Does being signed in to the mobile Mozilla leave me at risk of Spyware if any such add-ons or extensions were installed to the desktop client? 2. With the add-on and extension auto-sync that happens with signing into a Firefox account, I am worried that even if I buy a new computer, modem and router, that signing into the Firefox account could risk compromising the new computer and network. Can these add-ons and extensions be removed or unlinked from the account in any way without signing in on a desktop/laptop?

Sync instructions on desktop browser include: Sync Firefox on your phone or tablet 1. Open Firefox on your mobile device. 2. Go to the menu ( on iOS or on Android) and tap Sync and save data 3. Tap Ready to Scan and hold your phone over this code

There is no "Sync and save data" that I can see on menu

The Chinese account logs in with empty data and invalid synchronization. If you decide to terminate the cooperation with the Chinese version, you would like to publish a notice and open the synchronization server for the data. So that Chinese users can export their data and migrate it to their international accounts.

Hi,

I have tried to sync between my two computers, but it did not work out well:

e.g when I click on ‘show more bookmarks (>>)’ on the right side of the screen (next to Other Bookmarks) I get - Firefox is not responding and I have to click on

-> Close the program.

If I click on -> Wait for the program to respond - Firefox never responds! And before I click on -> Close the Program - my keyboard input is totally erratic!

This occurs on both computers! - what can I do…..

I have therefor on the computer I want to be on the receiving end:

- deleted: History, Downloads and Tags and All Bookmarks - Cleared browsing data and cookies - Closed all open tabs

And now I am Signed in with Syncing; ON - on both computers again.

But I have not checked any of the check-boxes in ‘Manage sync…’ - ‘Manage what syncs on all your connected devices’ i.e. Bookmarks, Passwords, settings, History, Payment methods, Open tabs, Add-ons

Why is there no check-box tag groups!

What do I have to do on my SOURCE compute and on the DESTINATION computer for - a one way sync of everything?

Best regards, Einar

PS,

After Signing in I was presented with the following, and I chose Not Now

Sync your Firefox experience View your saved passwords, tabs, browsing history and more — across all your devices. Select an option to continue:

- I already have Firefox for mobile Start your sync now if you already have Firefox on your mobile device. 

- I don’t have Firefox for mobile Download Firefox on your mobile device, then start your sync.

Not now

I logged into my Firefox Sync account last week on a newly re-imaged computer. My old computer is listed under "Connected Services" and for the first few days, when I selected "Sync" from the top right menu, the subsequent menu included the name of the the old computer and the list of tabs. That list of tabs is no longer listed and I haven't been able to find a way to access it. Attached is an image of the menu where the list of tabs was previously listed. Any suggestions are appreciated.

When trying to pair my phone with firefox already signed in to my macbook, I get this error:

"General application error

Something went wrong. Please try again later."

I tried refreshing firefox and trying to pair on a private tab, and none worked. Any potential fixes would be appreciated. Thanks in advance.

I have most passwords stored in Firefox, and sync them between computers and my phone, and it works great. Recently I decided to move a certain few passwords elsewhere, and deleted them from Firefox on one computer. Days later, they still appear on most if not all of my other devices, even though sync doesn't report any errors. This is a bigger problem than it might appear at first glance: since I might have updated a password on another computer I can't choose just one that has the correct data and reinitialize syncing there.

If my Firefox is synced between my Mac and my Android, should I be able to see open tabs on my Mac on my phone too? Currently I do not. At least not all the open tabs. And I do have that checked in "what to sync".

On my Mac I have 8 tabs 'pinned' and 11 open. On my phone when I look at the synced tabs only the 8 pinned tabs show up.

How can I see all of them?