Firefox Community Forum

I installed Firefox on my new computer. It imported setting from Chrome. That's not what I wanted at all. Now, I can't get rid of that information that was imported because it synced. How do I get rid of this data permanently? I have Firefox on my old computer but I don't want to connect online for fear it will sync and contaminate my other Firefox installations. How do I clean out my online profile?

Dear Mozilla Firefox Support,

I am seeking clarification and assistance regarding saved login details that appear in my Firefox browser, both on my laptop.

The situation is as follows:

At some point in the past, I mus thave attempted to access the Plenty of Fish (POF) dating site via the app on my iPhone. Alhtough not presently active, my iCloud account shows a history of the app being downloaded, and stored in the cloud.

I do not recall ever completing an account setup or using the service, but when I check Firefox on my laptop, I can see a username and password saved under Privacy & Security settings for POF.

I am trying to understand whether these saved credentials could have been synced between my iPhone and my laptop at the time of the attempted registration, meaning that they were stored automatically even if I did not intentionally log in on my laptop.

My specific questions are:

Do the Firefox saved logins on my laptop and my iPhone interlink automatically if Firefox Sync is enabled? (i.e., would login data entered on my phone app/browser be stored in the Firefox passwords list on my laptop?)

Is it possible to determine whether the saved username/password for POF was stored via the iPhone app/browser rather than being typed directly on the laptop?

I belive that if login attempts fail due to a non-existent or corrupted username/password, Firefox still store the login attempt details (username and password) even if the login itself did not succeed, can you confirm this? Is there a way of telling which it was failed/sucessful

This is a sensitive and personal matter, and I would greatly appreciate your guidance and any clarification on how Firefox may have stored or synced these details.

Thank you for your support.

Kind regards, A

Firefox abruptly factory reset itself after I turned my computer off and back on again. All of my themes, extensions, and bookmarks are gone. My phone, which was connected, is still normal and has my full search history+bookmarks.

How do I fix my computer?

I am moving from an old (2013) Dell PC to a brand new Windows 11 machine. All of my passwords, credit card numbers, contact info and log-in information for websites are stored in Firefox. I would like to preserve those settings when I upgrade to my new computer and do not know how to do that. Please advise.

Hello,

I recently got a laptop to make my work more flexible and wanted to transfer/sync my Mozilla Firefox data from my desktop PC. I logged into my Mozilla account and synced the laptop with Firefox on my desktop, but it doesn’t open the tabs that are currently open on my desktop.

My question is: is there a way to open all tabs at once, or do I have to open each one individually?

Thank you in advance for your help.

Kind regards.

My Macbook Pro's Firefox has a convenient bookmark toolbar, my Mac Air's FireFox does not. Can I find a setting on the latter to restore my settings from the former?

Hello, I received an email from you asking me to change my Firefox password for account security reasons. When I changed it, all the data synced in Firefox with my email was deleted. This upset me greatly because I lost important data and saved websites. Please restore the deleted data. Thank you.

Hi, I've seen others ask this same question in archived posts with no proper answer.

How do I select all tabs to be imported from a synced machine? I have the list on my sidebar, I can import or close one tab at a time, but there is no menu available to select them all (there are many). Right-clicking on the device name etc. does nothing.

Windows 11, Firefox 141.0

Many thanks for any help!

(This is copied nearly directly from a post on r/firefox made a few hours ago—I decided it was best to spread it here for more exposure. The only change was the removal of the add-on names from the title due to character limits; these are Form History Control and Text Area Cache.)

I hope the title explains what I am looking for well. My main computer has had... spooky behavior with its file system recently, and I have been recommended to make a back-up, format my drive, and re-install my operating system (possibly upgrading from Windows 10 to 11 in the process). The biggest hold-up to me doing so is this, as I have no idea how to transfer the extension data between installs, or convert it into a human-readable form. The sheer number of writing drafts in those extensions both make losing them an unacceptable situation and copying the data manually into a document entirely impractical. So, can anyone help me with this? For context, I was on Firefox 138.0 when I stopped using my main computer due to those issues. (Note: It will certainly last long enough to do the Firefox Syncing and other back-up operations, just not for many more weeks or months.)

Hi.

I have lots of Firefox tabs open on one laptop. I’m signed in. I have another laptop and want to open all those tabs in the second laptop. I’m signed in on the second laptop as well.

I can’t seem to figure out how to do that. Can anyone please give me step by step instructions?

Thanks in advance