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I have to do a clean install of Windows, how do I save all my firefox bookmarks and passwords as well as Thunderbird addresses and any other info I might want to import back into Firefox and Thunderbird once I've installed windows again.

I would like to be able to download YouTube videos.

Is there a Firefox add-on that will allow me to download YouTube videos onto my MacMini?

I tried Video DownloadHelper and YouTube Video Downloader and didn't see any action.

Do I need to setup settings a certain way to make it work?

What are the steps to make it work?

Thank you for your assistance.

I want to copy/clone information in my Firefox Profile (Bookmarks, Logins, ..) from one device to another. Once that was accomplished, then I would enable Firefox Sync for the two devices.

Scenario: Device “A” (Profile A): Primary/Original/Source Device “B” (Profile B): Copy/Clone/Duplicate

I understand that if I set up Firefox Sync first and then sync the two devices what I will get is a combination/fusion of the information on the 2 devices, i.e., all the “good” stuff in Profile A plus all the superfluous stuff in Profile B that I would just as soon ignore/delete – which is not what I want. This issue has been raised in a number of other posts on this forum but with no suitable resolution offered (that I could find). I’m wondering if there might be a “work-around” that would achieve the desired result.

So ... would this work?

1) Back everything up first (of course!) 2) Glean any unique information to be preserved (Logins, etc.) from Profile B and incorporate it into Profile A (Profile A now has everything essential!) 3) Purge Profile B

   a) Create a New Profile on Device B (and delete old?)
   b) Delete everything possible from the new Profile B (default bookmarks, etc.)

4) Login to Mozilla account and enable Sync

The idea is to create a “blank” Profile on Device B so that when Profile A and Profile B are Synched together (combined), Profile A remains unchanged, and Profile B is populated with everything in Profile A (a perfect copy!). The result that I want after Sync is essentially A+B=A, the solution of which is of course B=0, hence the focus on creating a "blank" Profile B.

Instead of purging Profile B as above, an alternate method might be to first “pre-load” Bookmarks in Profile B by the usual method of Backing up Profile A Bookmarks and then Restoring them to Profile B. At this point Profile A and Profile B Bookmarks would be exactly the same and Synching the two devices should make no changes to either’s Bookmarks. Logins and other information would still have to be purged, but this could at least be a head start.

Presumably this idea could be extended to more than 2 devices (but with only one being the “Primary”).

Note that I am (myself) only concerned about Bookmarks and Logins, and am thus glossing-over how other information that might be important to others (Browsing History, Tabs, etc.) might be Synched.

Could someone from Mozilla/Firefox with a knowledge of the inner workings of these features please comment as to the efficacy of this “work-around”?

Thanks.

I am going round in circles. The last Firefox update reset my Firefox on my laptop to default settings including losing my master password. I started to reset all my old settings but when I got to the part where I setup the sync with my phone version of Firefox, Mozilla asked me to log in. My password was not recognised so I hit "Forgot password" having set up a new password using one of my 10 digit authentication codes, I was then asked to log in with my new password, I did this & when trying to do the sync, I am being asked for a six digit authentication code! I have no idea where to find this code. Please help.

Yesterday, something went wrong in my Windows 11 desktop (I have a virus program installed). One of the casualties involved corrupting Firefox (it would not open). I reinstalled Firefox without removing the old version. Now I have a new installation but all my bookmarks and other data are missing. There is a folder on my desktop labelled as "Old Firefox data". It is possible to restore Firefox to a previous time (a day ago)? Thank you.

I have several collections in Firefox on my old phone, things I use regularly. It's the only way to save websites on the phone, so I assumed this would sync to my new phone.

I can see an archived thread about this from 2022, is it really not possible to sync these? It seems bizarre to offer the capability to bookmark sites, but not allow it to live with you.

Will it ever be possible? Or should I stop relying on this feature? The main collection I use frequently is one for recipes.

I have many, many bookmarks. Every once in a while I save them. My hard drive died. Geek Squad replaced it but where are my bookmarks and passwords? How do I recover them?

HELP!

Move open account to new computer, old computer died, Firefox[ Mozilla] have all my pass words also, Will not let me open old e mails etc. sync wants cell phone,it doesn't work where I live. thanks john

after reinstalling my system i culd not login to my account i have like 9 passwords and your stopid system blecked my attempts like after second attepmt so i did password recovery and changed it but after that all my sync data are gon WTF!!!!! It makes the sync function pointless and usless for its specially for that purpose !!!!!!!

Hello,

I have a huge problem with Shortcuts not syncing in the main page. I have my shortcuts organized and pinned how I like it but every single time I sync new machine or mobile, the shortcuts are not being synced and they are completely out of place and sometimes gone on my main machine. This cannot be like that and should be properly synced.

Best Dawid

Hi all,

Fully aware of [https://support.mozilla.org/en-US/que.../1204859], I wonder if there is any way to force a synchronization from one specific browser to others? My scenario is as follows: I use a desktop computer for daily work. This computer is bascially the source of truth. I use literally thousands of tabs, organized w/ Sideberry and multi-accounts containers (~100) (2 profiles in parallel).

From time to time, I use a laptop when commuting or working elsewhere. I'd love to instruct the laptop to receive the latest update (like a git fetch), probably after telling the main computer to "upload" (git push) the latest information and would like to make sure the laptop never can overwrite the desktop information.

Is there any way to implement such a scenario?

Thanks!

I had a major failure and had to replace my PC. I still have to old C:\ but using C:\ How can I recover my bookmarks from the "old drive" my password recovery would be a bonus.

Hi everyone...

After I "upgraded" to Windows 11, Firefox suddenly quit working. After reinstalling, it worked again...however, I had to use the "about:profiles" command to restore the bookmarks I had. That worked fine. But after a series of cascading Microsoft 365 app failures, I decided to roll back to Windows 10. Yay! Everything worked again!

Except Firefox.

So, I reinstalled Firefox again. And once again, the bookmarks are missing...but this time, the "about:profiles" command isn't locating what I need.

Any suggestions?