Diễn đàn hỗ trợ Firefox

I reinstalled Windows and downloaded the browser again. I logged into my account, turned on synchronization, but none of the data was synced. I am absolutely sure that synchronization was enabled on my old browser. I tried turning it off and on again, but nothing helps. Please help me get my data back!

I use several devices with Firefox installed and I find that sync is not always "sync"-ing, or at least not very often. I can confirm I am logged-in the browsers. I do tend to leave my laptops in sleep mode and maybe sync is triggered only at browser closing? Whatever the case, I end up having bookmarks that I deleted from another machine still persisting on another for some reason or adding a bookmark on one laptop and not having it on another even hour later. Would you please take into account the option to sync at certain intervals like minutes, hours etc and let the user pick how often they want this?

Thanks! Constantin

Hello! I try so transport my tabs in Firefox to a new PC. Therefor I try to login, to be loged in I need an email with an code (6 numbers) But this email isn´t sent. I didn´t get it, or much to late. What can I do? Thanks for your help, best regards Kurt Füchtler

I signed into my firefox account on my wife's computer and now ALL of her bookmarks, passwords are mixed in with my data. I've signed out of both accounts on that computer. I've signed out and relogged in on my computer. This is not a temporary issue. All of her data is somehow in my account. This seems like a MAJOR security flaw of the software. Were both using Windows 11 computers.

I can't sync my new device without confirmation code! The email with it is not coming to this address: [email removed]@inbox.ru. I need this information from you: Full SMTP-log with ● Exact date and time of dispatch; ● Server response mxs.mail.ru; ● Correct sender and recipient addresses.

I have finished my setup. But it keeps saying "finish setup" in the upper right corner of the browser. I have completed all the steps. I want to sync this desktop to my mozilla account. What do I do?

Recent (Windows?) update signed me out of Firefox. Logged in again, but bookmarks aren't showing up. Bookmarks are marked for sync-ing, and I did try sync-ing twice. Maybe I have to sign back in on the original device?

I appear to have my bookmarks duplicated. Bookmark Menu list of bookmarks, bookmark 1

                                                           bookmark 2
                                                           bookmark 3 etc
                                                           ........
                                                           bookmark 1
                                                           bookmark 2
                                                           bookmark 3 etc

At a glance, the repeated bookmarks are the same, but I could have filed a new bookmark in either set. What can I do to stop these duplicates?

i re-installed my windows, installed firefox, and it automatically re-synced everything, a few days later, windows had an issue so i had to install windows again, but this time, when i installed firefox, i logged in, and after finishing syncing nothing was there, everything is gone, that being said, it's only form the desktop browser, i still have all my bookmarks and passwords on my phone's firefox, but they wont sync into the desktop one i cant find an option to export the phone ones into a file to import in the desktop app, i need help

Hi, my PC had some hardware problem and al its data was wiped as procedure, so i had to install everything from zero, this includes Firefox, and when i did so i did the same as usual, download it, open it and log in to sync my data, but there seems to be a problem, all my data is gone, it says its synced and i try to sync it many times, no bookmarks, no extensions, no passwords, nothing, this is my only account too. tried to look up solutions online and saw people talk about 'old Firefox data' folder that can appear on the desktop but nothing for me, tried to go to about:profiles and see what profiles i had and switch to see if its in any or if the folder appears but still nothing, i don't seem to find a solution, i only got the PC back at the end of December last year, and its as far as i can see my Firefox activity here, but I've always used this account and I've synced in multiple PC's with no problem i don't understand what is happening now. thank you

his is a new issue starting from FF 148.0.3

In FF on my PC I create a folder in the bookmarks toolbar for that day's research. I drag page URLs into there to bookmark sites/pages for follow up reading.

As extpected the shortcuts have the site's icons.

Open FF on my Macbook at home and since this verion, no favionns until I open the respective pages.

This is new. All other sync seems fine.

This is a new issue starting from FF 148.0.3 On my Windows desktop I create a folder, Research. I drag URLs into it for follow up, and on PC as extpected the shortcuts have the site's icons.

Open FF on my Macbook at home and since this verion, no favionns until I open the respective pages.

Bug report I suppose. Non trivial.

Installing firefox on my new device: Not all of my bookmarks are uploading from firefox on my other device.

It uploads a really old version of the tool bar even tough it shows in the HTML folder I am importing from my other device that the updated links are in the tool bar category.

I am signed in on all my devices. Yet nothing has synced since October 2025. So none of the books marks from my laptop display on my desktop in bookmark folder. The folders don't even match what is on my laptop. How do I fix and how do I prevent in the future?

Hello,

I'm unable to find the sync bookmarks,

I'm trying for a long time, in my iPhone and MacBook, both Apps are the latest, using the same email and the Bookmarks do not show in any of the devises.

Can you please help me?

I tried linking my unlinked profile to my email, I made a typographical error there and when I tried to undo it, Mozilla says this profile is already linked to that email. Mind you, I have not even entered a password or verified that email address yet. I cannot even remove that email from the profile now, even if I do and try to re-sign, the accounts page says I am already synced to the typo email.

I did a clean install of Windows and downloaded Firefox, but after signing in and pressing sync none of my old bookmarks or anything is showing up. Is it gone now? I did not have Firefox on any other device.

Description: Multiple prior failed attempts. Clean setup, issue persists.

Android: Samsung Galaxy Tab A8 (SM-X200), Firefox 147.0.2 (~1500 bookmarks) - Old account deleted, cache cleared, restart. New account + Sync enabled.

Windows 11: Huawei MateBook D15, Firefox 147.0.2 - Old profile/account removed. Same new account + Sync enabled. - 30+ min wait: NO SYNC. Logs clean, Places DB verified OK.

Suspected: Android bookmarks not uploading to Sync servers. Questions: - How to verify/force upload from Android to Mozilla servers? - Tools to export/backup Android Firefox bookmarks (no HTML export)?

Thanks for help! swann

With Firefox Android on my tablet, bookmarks are not syncing that i see when logged into my Firefox account on other devices. I tried logging out and in to my Firefox accont and also unchecking and checking the "sync bookmarks" box. Firefox Android says "bookmarks are now synced". But they aren't!