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I'm trying to synch from Laptop Windows to phone android. On screen instructions. Synchronise Firefox on your phone. Open FF on your mobile. Go to menu (3 dots) tap Synchronize and save data. There is nothing on the drop down menu that says this on my phone. I'm logged in on Laptop and Phone to Firefox.

I always had one version of Firefox installed. I regularly update the software via Help >> About Still, after every update, I am getting multiple versions of Firefox listed at [Settings/Installed Apps] and [Control Panel/Uninstall or remove apps] on my Win11 23H2 22631.3593 (screenshot attached).

In order to get rid of outdated items from the list, I need to reinstall Firefox completely, but the same thing is happening with every update of Firefox.

Is there a way to resolve this and why is this happening?

I have used Mail Merge addon for years and it works fine. But I would like to use the if then else capability in my TO line. I have the authors page on usage but everything I try seems to be wrong. I have a spread sheet with the following headers: Email Veteran

Under email is the email address. Under Veteran is either Y or N. If used as stand alone {{Email}} in TO line substitution is flawless.

However if I use {{Veteran|Y|Email}} it doesn't work. I have tried enclosing the Y in both single and double quotes and that does't help. I have replaced the Email field name with some text and that doesn't work. So I am thinking that I must have an issue with the way the fields are being interpreted.

I just downloaded and installed the latest version of Thunderbird and MailMerge addon.

Any help greatly appreciated.

Hello! I've been noticing for several versions of Firefox that the response times reported in the “Network” tab of the developer console are wrong. In Chrome it shows the true value, which are a few ms, while in Firefox they show that it takes several seconds!!!! I attach the images of the problem.

Is it a bug, or a configuration problem itself? Thanks in advance

I've noticed recently that addresses that were in my personal address book have disappeared, basically they've been deleted. This next bit is from memory so excuse the vagueness. The last time I looked for these I found them in a bin marked as "deleted by thunderbird".

What is going on?

I need these addresses back.

When I start FireFox most times the browser comes up then stops and restarts with a pink color on the web address line. I have tried making changes in settings but I can not find a setting for this. If I restart Firefox right after this happens, I cn search or browse without the Pink address line. Why is this happening. It would be nice if FireFox technicians would respond to help questions instead of sending questions to a forem...

Hi, I´ve some Outlook accounts with two step verification login. Anytime I open Thunderbird I´ve to verify myself by selecting a number on my mobile. Is it possible that Thunderbird get´s directly to my outlook account without that veryfying process? Thanks for answering.

Firefox spawn too many child processess, with cause the browser to freeze.

Proposed solution:

Reduce to absolute minimum the spawn child processess. The value should be set according to the device performance and additionally show allow the user to set manually the limits.

Example: 1 (maximal 3) child process per tab/window

Please help me to understand why I keep getting the 'Gah! Your tab just crashed' message. This only started a couple of weeks ago, but is extremely annoying and makes me doubt the integrity of Firefox. The problem can be circumvented (at least for a while) by closing and re-opening Firefox, but I'd prefer not to have to keep doing this.

I restarted my Windows 11 laptop and got error message about user profile. Restarted again and looks like it was corrupted so deleted my my user profile and Firefox config and bookmarks are gone!

Still have all the files just a new user profile and the old one is gone?

Any help how to get Firefox bookmarks back would be much appreciated

When googling stuff they changed something to where it now opens youtube and autoplays a video when I click on a search result drop-down arrow(image 1). It just it to dropdown to give more info and I could choose to watch the video if I wanted to, like it used to(like image 2). It is getting annoying to switch back to Firefox every other time. For clarification, I don't want to completely disable redirecting but just change it back to how it was. Can't find any setting to change it, does anyone know how to fix this?

for example: discord.com => discord.com/app

Is there any better way than adding a bookmark for it?

I have quite a lot of passwords stored in my iPhone. I would like to sync (or, if not possible, export) these passwords to my Firefox browser on the same iPhone.

Many thanks!

Marco

I installed Thunderbird a few weeks ago and I'm now trying to migrate from Windows Live Mail 2012 (WLM) to Thunderbird (TB). I am connected to a server called Copper..net via IMAP. (I've set up 2 other email accounts under TB, one of which I will almost certainly abandon and the other, I hope, will become my default server. But right now, I'm not really using either).

Most of my emails -- I have over 300,000 -- are stored in local folders. When mail comes into my Inbox, I generally either delete it, mark it as junk, or once read, store it in a local file.

Until yesterday, all of my IMAP folders showed up under the Copper.net account. They also showed up when I went to File subscribe and refreshed the list (other than one episode which I was able to resolve). Now, they don't show up in either place. They still do show up normally in the other accounts.

Since installing Thunderbird, I have managed to transfer most of my local emails from WLM to TB, so I am now down to 3 of my largest folders, containing between 60,000 and 65,000 emails each. Two days ago, I was able to transfer one of them, albeit with considerable difficulties along the way.

My method was to set up a new IMAP folder called Transfers. I COPY emails from the WLM folder to it (in chunks for larger folders). Then MOVE the emails from the TB Transfers folder to the TB local folder.

When everything is working properly, that move eventually results in the TB transfer folder being empty, which then results in the WLM transfer folder being empty. And then I can restart the process.

If for some reason, the move does NOT empty the transfer folder, I do so manually by deleting all the emails and then emptying the trash. I then check properties to make sure that the folder is really empty, and if it isn't, use the tools under properties in WLM to manually delete them

Yesterday, when I tried to do all this again for my 2nd large folder, I found that the transfer box in TB a) often didn't contain all the emails it should have and b) that the ones that showed up as being there wouldn't move at all. I tried compacting, repairing, getting messages, all to force syncing , but nothing worked.

And this morning, things went from bad to worse because now my IMAP folders no longer show up at all (except Inbox and Trash). During this whole time, the inbox has been syncing properly and mostly, promptly.

Finally, I should add that I did download and add the import/export NG tool and while it worked pretty successfully for small folders, if did not work well for larger ones. I'm still in dialogue with the developer.

Any help would be much appreciated; I'm incredibly frustrated.

P.S. I tried this morning to repair TB, just in case, but using Control Panel, the only option was to uninstall it, which I did not want to do. I do wonder whether TB has somehow gotten corrupted.

I also tried opening in safe mode, which didn't help. I shut my computer off at night, so it's restarted at least once a day. Yesterday and today, I also restarted during the day in hopes that it might help. No dice.

Hi,

So I got a new ultra-ultra wide 32:9 monitor and I noticed when I have firefox maximized on my new monitor and switch focus to a different window all of the text on tabs on the full screened firefox would go very blurry. If I had the same firefox windows full sized on my 16:9 secondary monitor this didn't happen. I then tried having the windows not maximized on the new monitor and it did not do this behavior when it was occupying what I would say was 1/3 of the screen width but if I stretched the screen too far it would again go back to this blurry behavior. So it seems like the text for the tabs behaves differently after the firefox window is stretched to a certain width. On the non-stretched firefox windows the letters simply get darker which I find to look better than the blurring. I added a screenshot that shows the differences I am seeing, the firefox window on the bottom screen shows the blurring, if you look at what would be the left middle side of the screenshot, while the top and bottom middle firefox windows show what it seems like it should look like.

Thanks, Dan

I have many programs/apps in my Windows 10 task bar (at the bottom of the screen), and when one of those programs is minimized, the task bar icon for that program has a blue line under the icon, to show that it is still active, but not showing on screen -- that is, except for Thunderbird. If I'm not writing a message in TB at the time I minimize it, there is no blue line under the icon. The problem is: when I'm ready to shut down a session and I've been using Thunderbird at some point in the session and have minimized it, I can't tell from the task bar icon whether TB is active or not, without clicking on the icon. I don't want to have to do that every time I close down the computer, and I don't want to close the session with TB still active. It seems that a simple coding addition would fix the problem, and I can't believe no one else has mentioned the problem. This is not new with 15.1 -- it's been going on for several versions. The ONLY time the icon appears is when there is more than one page of TB open (like Main & Write).

Your prompt response is appreciated. Thanks, engrollie

tl:dr Here's the CSS to put in userChrome.css file. This is the "hides everything" option. See toward the end of this post for others.

1. navigator-toolbox:has(#PersonalToolbar[collapsed="true"]) {

 visibility: collapse;

}

+++

I was looking for a way to hide the nav bar and ran across this older forum topic (https://support.mozilla.org/en-US/questions/1288181).

The solution shown here seems to be non-functional these days (early 2024), but it gets us in the right direction, so below is the code for us to look at.

1. main-window[chromehidden*="toolbar"] #nav-bar {

 visibility: collapse;

}

This is CSS, meant to be copied into a text document, itself placed in a folder called "chrome" that you'll need to create in your browser's active profile folder. Per step 6 in the instructions (https://www.userchrome.org/how-create-userchrome-css.html) linked by @jscher2000 in the above-linked forum topic, you'll also need to set toolkit.legacyUserProfileCustomizations.stylesheets to "true" in about:config. If you don't know what about:config is, this is a good example to get started, but I'm not going to explain it here.

This CSS code selects the object with ID #main-window, with an HTML attribute "chromehidden" equal to "toolbar", and sets its CSS property "visibility" to "collapse". Apparently Mozila have changed the way they implement toolbar hiding, as this no longer works — this chromehidden attribute is nowhere to be found in the HTML that drives the Firefox interface, not sure if that's the place to look for it, but I think so. Anyway, we need to dig around in this interface HTML ourselves to see what changes when hiding the bookmarks toolbar, so we can adapt a new method to what's going on in the browser now.

To do so, we open a window within a window (chrome://browser/content/browser.xhtml) and run the inspector via Web Developer Tools. Comparing the HTML we see here with the bookmarks toolbar in each state (I used BBEdit to compare the texts), we see that the object with ID #PersonalToolbar experiences a change in its "collapsed" attribute when we hide/show the bookmarks toolbar. So in our CSS code, we shift our strategy to update the "collapse" CSS property for #navigator-toolbox whenever it contains a #PersonalToolbar object with its own "collapsed" attribute set to "true", which occurs whenever we hide the bookmarks toolbar. Somewhat surprisingly, this approach of updating the CSS property seems to auto-reset on its own when the "collapsed" attribute is set back to "false", which occurs when we show the bookmarks toolbar again. In other words, it simply toggles with the visibility setting of the bookmarks toolbar, and we don't have to write any further code.

If you're interested in hiding some other UI element when hiding the bookmarks toolbar, you can modify this code to do stuff like that (but to go beyond the below examples you'll need to suss out the object IDs, CSS properties, and HTML attributes — and maybe more, depending on what you're trying to do — on your own).

But for convenience, here's an example that hides just the tabs:

1. navigator-toolbox:has(#PersonalToolbar[collapsed="true"]) #titlebar {

 visibility: collapse;

}

Here's one that hides just the URL bar:

1. navigator-toolbox:has(#PersonalToolbar[collapsed="true"]) #nav-bar {

 visibility: collapse;

}

Since those are the only other two things in the #navigator-toolbox to be hidden, I suppose that means we now have all options on the table (at least the way I have the browser set up). Enjoy!