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I have been using Thunderbird for many years, but 3 days ago my Thunderbird icon disappeared from my desk-top and I could not find Thunderbird among my programs. This included my email storage folders. This also happen on my wife's computer at the same time. I searched for my emails and found them through google. It was just a list with no organization or folders. I took my computer to a well established computer shop for them to investigate. The next day my wife's computer was just fine, icon was back on her desktop, emails in order and her storage files were back. I am trying to reinstall Thunderbird, but I'm getting nowhere. Please help! Sending me an email won't work.

Sorry for the long=winded message but I figured it would save time to explain the steps from the beginning.

I've been using Thunderbird as an OSB for my archived messages from Apple Mail. In that scenario I create a .mbox file of all messages I want to save from a particular year and then import that into Thunderbird into a local folder with the year as the folder name. The version of Thunderbird where I was doing that is 115.10.1

I started testing Thunderbird version 139.0.2 as an Apple Mail replacement with only 2 of my email accounts.

Now I want to convert entirely out of Apple Mail. First I made a backup copy of the entire Thunderbird folder located in the User/Library folder onto an external hard drive that I then disconnected from my computer.

Then I downloaded the latest version 145.0 (aarch64) and installed it. (I still have the other 2 versions on my system) I opened it up and got into the profile manager (troubleshooting then about profiles) and discovered that I have 4 of them. I made the one that contains my archive the primary one. It does not have any connections to a live email account. I've only ever imported an .mbox file. Everything that I've archived is there. This is profile Number 1. I renamed it Archive so I could keep track of it.

Then I opened up each of the other 3 profiles in a new browser in sequence to see what they were.

It appears as if I have one that is empty. it opens up wanting me to set up an existing email address. I closed that one down. It's called Profile number 2.

The next one appears to be the current one for the 2 test email accounts. It has them properly configured, showing messages in the inbox and with the messages that are supposed to be archived off in the local folders I had created as I expect. I am calling this one profile number 3.

The third one first had me add the passwords for the 2 test accounts and then it is pretty close to number number 3 but is missing some of the local folders. This is called profile number 4.

Want I want to end up with is 1 profile. I would prefer to start with the one that has all my archive messages in their local folders, and then add the test accounts including all their messages from profile number 3 with its local folders. Once they are safely moved and part of the Archive profile I would like to delete all three numbered profiles. Once I am down to only one active profile and no others lurking about I plan to slowly start adding the rest of my email accounts moving them one by one out of Apple Mail and into Thunderbird.

I've read the various articles on moving out of Apple Mail into Thunderbird So I believe I can add the Apple email accounts to my Archive profile successfully. I have the import tools so I can import the .mbox files from Apple mail into those accounts.

Where I'm stuck is I can't seem to find an article that gives me detailed instructions on how to combine profiles within Thunderbird. All the articles imply keeping multiple profiles active and I would prefer not to do that.

I am sure I am just not searching properly but I am at a loss as to how to proceed. I do not want to delete any profiles or start adding more accounts until the profiles are cleaned up.

Thanks for reading this long explanation and I appreciate any help anyone can provide.

11-14-25 I have a Dell Precision M6700 laptop running Outlook 2007 under Windows 7 64 bit Pro. I have a Dell Precision 7720 laptop running Thunderbird under Windows 11 64 bit Pro. So far I have been unable to export the Outlook.pst file from the M6700 and import it into the 7720. I have tried to find a free version of a pst to eml converter, but the free (or trial) versions only seem to convert a few files in each folder. So assuming pst to eml conversion is the first step, I need recommendations for reliable but reasonably priced conversion utilities so that I can export the files from Outlook 2007.

I have tried to import converted eml files into Thunderbird, but the Thunderbird import software seems to be looking mainly for a profile which I don't know where to find. And besides, it appears that Thunderbird is designed to do the export/import operations on the same computer, not two computers as in my case. Anyway, I get an error no matter what I try. If someone has insight into these various steps, I would greatly appreciate some help. Thanks!

Regards, Dave

Over the past few weeks, emails have suddenly started migrating from my inbox into my trash. I can put them back into my inbox easily enough but it's really annoying.

The interesting thing about these emails is that, when they go into the trash folder, they stay there. I have my Thunderbird settings so that any emails I actually delete don't go into the trash but simply disappear.

Can anybody explain why this is happening and how I can stop it?

Thank you

I keep getting an alert saying I need to update my email account. How do I do that? (BOTH of my email accounts work fine on my home computer, but neither works on my classroom computer. I'm a teacher).

After many years of using Thunderbird with an AOL account I changed my password in AOL to increase the security. So I had to install the AOL account again in Thunderbird. I created an app password in AOL and put it in Thunderbird. Everythin fine so far. AOL login window opens automatically. But after login to AOL the message "somthing went wrong" and "try on anther device" pops up. I tried it on several PC's - no way. Other mail clients like Mailspring oder Mailbird did work with the AOL account. What is the problem?

I'm using a Windows 11 laptop with a 14" laptop with a 1920 x 1200 resolution. I'm using Thunderbird to access 5 email accounts, calendars and cardBook. I'm looking for suggestions and tips about the best layout to maximise the display of my email information with the minimum of scrolling.

Thank you.

I've been using Thunderbird for several years now and make a donation most years over recent years. The only thing I don't like about it is there is now way to block a sender.

bold text When in "Local folders" , I had icons for "New Message" and a spot that I could right click on to get new messages from certain servers or left click to get them ALL. Where did they go ?

FROM menu HELP

140.4.0esr (64-bit) Release notes Thunderbird for Linux Mintmint-001 - 1.0 Updates disabled by your system administrator You are currently on the esr update channel. Thunderbird is designed by Mozilla, a global community working together to keep the Web open, public and accessible to all.

Anthony

Hello, In Tbird 145, my calendar does not show the column header for the weekday 'Friday'. All six other headers are displaying correctly. This is also occurring when 'Workweek days only' is selected. Thank you.

two images. first image, the email that I SENT TO MYSELF, from my android phone, captured a product link, sent the link to me, and opened it on my desktop (or even opened on teh phone) and the HTTP link does NOT indicate it can be open,and if i hover over it, it does not open either.

BUT, if I FORWARD that same email to me (opened on desktop, forwarded to my email, and opened on desktop), it ALLOWS me to open it. why are the links not working if i send myself an email from my phone (where i browse products, etc, and caputere the links)? any assistance appreciated, thanks

I activated Relay in outgoing responses to moveon.org. How do I deactivate Relay? I don't want to use it, but it seems to be a "forever" add-on!

14 Nov. I have been unable to solve the problem of needing to sign in to Thunderbird using Google. I have gotten myself into some trouble, and almost got scammed by trying to get help from on line providers to accomplish this. Some Dell technicians have the suspicion that my version of Thunderbird may be corrupted. I am going to take my Dell desktop to a computer shop tomorrow. I am hoping they will install a new form of Thunderbird onto an external computer, and then let me try to log in to Thunderbird on that version. If that works, then it will be an indication that the version I have been using on my Dell desktop is corrupted. The plan in that case would be to have the technician transfer all my Thunderbird data to the new version of T-bird on the external computer. Then he could install a new, fresh version of T-bird on my computer. Finally, he could attempt to return all my Thunderbird data from the external computer back onto the new version of T-bird on my computer. I am afraid that my Local Folders and their contents will not be transferred back to Thunderbird on my computer. I'm afraid that all my local folders will be lost. I'm not sure whether the technician will have to make a Thunderbird-Profile_back up before he removes the Thunderbird data from my computer. We'll see.

Hi

I have Thunderbird 145.0 installed and made the settings for my Outlook mail account as you can see in the screenshot. I do not want the client to automatically check for mail.

However, each time it starts, I can see the notification in the bottom left bar, it will check for mail on the noted server. Those messages are then downloaded, if present.

The options to do that are not ticked, nor the option to check.

Any ideas how to stop this please..?

Thanks

New laptop Win11.

Thunderbird installed and running, two differing ISP EMail addresses working.

Third address of four (fourth not yet tried) will not set, claims wrong user name/password.

This Email address (Sky as in Yahoo!) works perfectly on two other laptops under Outlook, it also works perfectly online from browser. So username/password is correct beyond doubt.

Possible complication (?) being while a Sky account address, login user name is an EMail for a different ISP's address. Did not have to do anything diff to basic login elsewhere though.

Ideas please?

When T-Bird sends a message with an in-content photo, is that photo compressed to save space and transmission time?

I converted from Eudora. Eudora would compress in-content photos to save space and transmission time.

If T-Bird performs a similar action, is that compressed file saved somewhere?