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I have saved relevant e mails to local folders in my Thunderbird account on my Applemac. I opened up Thunderbird on my MacBook and downloaded my Thunderbird account but it did not copy those local folders, merely 1 empty folder. Without these also shown in my Thunderbird account when I am away from home, I cannot see those records. I am struggling to find a solution. Are you able to help please? Alan Dowler

For over a year, my browser occasionally loses connectivity. It may work for 3 hours or 3 days, but inevitably new tabs will stop working and then slowly the others will stop as well. When this happens, none of my other browsers are impacted. They work fine. It is only Firefox. The only solution is to close everything and lose all my work.

Once I do that and restart Firefox, I receive an error message telling me I am using an older version of Firefox that is not compatible with my profile. The only solution that brings me back to the best starting place is to re-install Firefox.

My company IT spent 3 days trying to find the problem and couldn't. I have uninstalled and reinstalled so many times. All extensions are turned off, as are the two add-ons. I have been using Firefox for over a decade and prefer it to all other browsers, but I need to find a solution or I am going to have to move on. Help!!!

I am using Firefox (March 2026 version) and BT internet email wit Win11. Since January 2026 update I have problems entering email addresses that are present in my Contacts list. When starting the cursor goes to the CC: line before switching to the To: line. Then when I start entering an emaiil address that is in my contacts list an option(s) show and when clicking on the correct one instead of it displaying in full in the To: line it shows the first few characters in a red in a box with an x at the end. I then have to delete this and fully type in the full email address. This is very annoying and time consuming. I had hoped the recent update would have fixed it, but it has not. Could you kindly investigate - many thanks

Hi, I use a website called Slickdeals which has a lot of thumbnail photos showing the product on the homepage.

Firefox seems to have a problem with it where Chrome does not.

Scrolling fast throws it off...the screen turns white and I have to wait for the images to load. Also, the scrolling tends to get choppy while using my touchpad scroll.

I've tried disabling hardware acceleration, disabling smooth scrolling, and clearing cache/history.

Sometimes the cursor lags about a second from the arrow to the hand pointer on links to click.

I have fast FIOS internet and a laptop with 16 GB RAM.

Thanks!

I can't do a review or get in contact with the developer of "Watchmarker for Youtube. I can read 145 reviews, but I can't actually write one.

https://addons.mozilla.org/en-US/firefox/addon/watchmarker-for-youtube/reviews/

This isn't exactly something that is broken but it is something that is plenty weird and I wondered if anyone has an idea how it happens.

I shut down my Linux laptop one day and when I started it the next day, all my tabs were gone. Annoying, but I spent some time searching for the most important ones and got on with my life.

We have a class picture book that is only accessible by faculty from campus or using the secure VPN. It helps us to learn people's names. It is an HTML file. One day, I needed to look someone up. Ordinarily that would open a new tab in the browser I have running, but it didn't. A whole new Firefox appeared for it and there were all my lost tabs.

Wut?

Now I can use the picture book to alternate between my old tabs and my new ones. How on Earth can this happen? It isn't exactly something that is broken, just something I don't understand.

I have been using Thunderbird with two POP3 Hotmail accounts for some time and I am trying to set up a third account with exactly the same configuration. However, both the automatic and the manual configurations failed. The new account receives mail, but the outgoing smtp server config seems to have a problem. Sending messages times out or keeps prompting for a new password.

The Hotmail account has POP3 and IMAP enabled. Thunderbird is set to receive all cookies. I cleared history and cache after every attempt and also temporarily disabled the firewall.

Any suggestions about what the problem could be?

I previously accidentally removed notification permissions from discord. I'm trying to reanable them, but even when i enable the settings in discord firefox will not give me the popup to turn on notifications. when i click on the usual permissions tab myself it simply does not show the notifications option. they are not blocked in my firefox settings, and other sites like youtube and twitter work perfectly fine

When I an issue where sending a tab from my android phone to a windows desktop opens the tab in a private window. This did not used to happen, and as far as I am aware I did not change any settings for this to happen. How do I stop this from happening?

How do I get the star I can click to show list of bookmarks? Just installed Firefox on new laptop and friendly star is missing. Had same problem years ago but Firefox popped up with the answer before I had to ask

on Jan 30 I saw an entry here describing the same problem I have, namely entering an SMTP password in Thunderbird. I have a Yahoo account which I use in Thunderbird. Around February I am no longer able to send emails. I find two (2) different places to make settings and the answers to the Jan 30 entry never once mentioned how to enter the alphanumeric characters to an SMTP server. I found one place which comes close to the answer but the text is in GERMAN. And does anyone have a block diagram to explain the structure of : 1. a Yahoo app password 2. a Yahoo mail password 3. a Thunderbird password 4. an SMTP password

This started happening about a month ago, without me changing my settings, which are to retain all emails unless manually deleted. Probably relatedly, copies of sent emails are not saved in the Sent folder. This is my account on yahoo.co.uk - all the emails are available when I go to yahoo through my browser, so it is just Thunderbird that is not ertaining them. I automatically accept Thuderbird software updates (now 148.0.1)

Since the last update, some pictures do not show. For instance, in the News and Features Digest email that I receive, when I click on a headline to read article, any pictures do not show. It is just a big, blank, space. Also, for instance, some pictures on accuweather.com do not show, also on weatherbug.com. Even if I turn it off, the pictures do not show up. It seems the lastest update overwrote the shield in front of the address bar that I had set under Firefox settings, Privacy & Security, Enhanced Tracking Protection. I was able to turn off the shield and see what was being removed/blocked. Now that does not work. I understand you try to make Firefox as safe as possible by adding new features. However. I would like to remove whatever setting that shield has now installed with the latest update. I hope this makes sense.

Hi, since the new update the shortcuts/search buttons on the smaller search box (desktop, windows) are gone, and I can't figure out how to get them back, nor can I find anyone asking about the same issue so far. It's happened on every device that's gotten the update. I added a screenshot so you know what I mean. There were always shortcut buttons under the textbox, so I can quickly search in google maps or wikipedia etc. but now there's only the dropdown menu. on the left. I used those buttons a lot so I definitely want those back! Thanks