You cannot change the type of an account you have already set up. You have to set up the account anew. But you don't have to remove from Thunderbird the POP account you already ha…
You need an mbox file without filename extension or a .msf index file to make the corresponding folder appear in the folder pane in Thunderbird. An .sbd folder alone in the filesy…
You can have the same email account set up as POP and IMAP at the same time in Thunderbird. If you're getting that error, it must be because you're trying to set up as POP a mail …
You make a folder the designated folder for storing sent messages in Account Settings > Copies & Folders.
"sent mail" and "sent" subfolders
You're seeing those as subfolders…
The easy way to do this would have been to copy the whole Thunderbird folder from the old computer to the new one, as described in the following article:
https://support.mozill…
This is an IMAP namespace issue. It's not an indication that there is anything wrong with the account or with Thunderbird. Some IMAP servers put folders on the server under an INB…
Moving and copying files between folders using the file manager on your computer is a basic operation you need to know how to do. If you don't, you'll need to find someone who can…
What type of mail account is this (POP, IMAP)? If you check your mail on the server using webmail, do you see there the messages that you don't see in Thunderbird?
The SMTP server doesn't accept you as a valid sender for some reason.
It could be that you're only allowed to send from the same email address you use as the username to authen…
If there is a problem with the application itself, you may just download it and install it again.
Your mail is stored separately from the application. On a Mac, your Thunderbir…
Which is your email provider? If they publish the settings needed to configure the mail client (most of them do) and you post a screenshot of the server settings you're currently …
What you're observing is a combination of POP being the wrong mail protocol for what you want to do and Gmail being a very particular email provider with a lot of idiosyncrasies. …
Not sure what you mean. The message is automatically moved to Trash if you read it, but is left in Inbox if you don't?
what is the difference between the trash folder and the d…
Which is your email provider? If they publish the settings needed to configure the mail client (most of them do) and you post a screenshot of the server settings you're trying to …
If automatic account configuration doesn't work, you have to choose Configure manually. You'll need to know what your account settings should be and manually configure the account…
I don't know why the server doesn't accept those attachments, but the attachment the server is complaining about is the very message you're trying to forward because you're forwar…
if those folders were not made as subfolders of INBOX then they wouldn't show up there?
Which folders are you talking about now? The only folders that appear as subfolders of I…
And it's only those messages that you don't see in Thunderbird? Do you see all other messages that don't use plus addressing? And the messages you don't see in Thunderbird but can…
When you say you've already tried that, you mean you've tried launching the other profiles and the missing data doesn't appear in any of them?
If you open the profile folder in…
There is no Gmail setting I'm aware of that might cause that to happen. There is a setting to mark as read on the server messages downloaded by the mail client, not to make messag…
You may be experiencing the issue described in the following article, i.e. Thunderbird may have chosen a different profile, in which case you may solve the problem by telling Thun…
The screenshot you posted shows a combination of two issues going on there.
One is you're using Cards View, which doesn't allow you to choose the information that Thunderbird d…
You may have hidden the folder pane (View > Layout > Folder Pane). If that's not the issue, please post a screenshot of what you're observing, because what you're describing doesn…
OK. There are a lot of things amiss there, but all of them can only be the result of things you've done yourself. They cannot be attributed to a Thunderbird update and they wouldn…
You have a weird setup there. I need to take a closer look at that, but something you should do right now is check Leave messages on server on the wheeler account, because the way…
Which is your email provider? If they publish the settings needed to configure the mail client (most of them do) and you post a screenshot of the server settings you're currently …
This problem is caused by Thunderbird reusing existing outgoing server settings that may already exist for the same server (but different username) when setting up a new account. …
Because, again, Unified Folders shows ALL folders, so the folders that are not unified have to appear somewhere… And that somewhere is the very same place the folders would appear…
You cannot do that, but you may have multiple profiles for different purposes and switch between them.
You may learn about that in various places, but refer to the following ar…
I haven't figured yet what's the right way to fix this problem, but I think it's caused by a corrupt preferences file issue that appears to happen only on Mac OS.
The following…
Thunderbird stores mail using text files in mbox format with no filename extension. Accompanying .msf files are index files that can be removed, they're automatically re-created w…
you can see that the two accounts show as separate items inside the Unified folders panel. Why is this?
Those are folders, not accounts. They show the name of the account becau…
it leaves me up in the air with no end result
It leaves you with the end result that the article you linked says, i.e. remove all of your saved usernames and passwords from Thu…
You cannot take an individual account offline, but you can take the whole Thunderbird offline and copy the messages to Local Folders in Thunderbird that way without it trying to c…
Thunderbird isn't telling you the password is wrong. Thunderbird doesn't know whether the password is wrong. All it knows is that it cannot connect to the server using the passwor…
You may be experiencing an issue similar to the one described in the following article, i.e. Thunderbird may be using the wrong profile, in which case you may solve the problem by…
Thunderbird doesn't care what your IP address is nor does it blacklist anything. That would be a server thing and Thunderbird would be merely telling you what the server is tellin…
Some view options may cause messages to not appear, e.g. the Quick Filter and some options under View > Threads:
https://support.mozilla.org/kb/quick-filter-toolbar
https://su…
I got lost trying to follow the full explanation, but the exact details don't matter. In order to combine multiple profiles into one, you'll have to set up the accounts in the pro…
What you say makes no sense. Either it's a Gmail account or it's a Microsoft account. You cannot make a Microsoft email account have a Gmail address. If it's a Gmail email address…
If you're getting that, it's almost certainly because you've configured the account to use a wrong mail server in Thunderbird. You shouldn't be getting that and you shouldn't have…
If the unwanted folder has the special Archives icon, it's because it has been flagged as such, normally as a result of having chosen it as the folder to be used for that purpose.…
If right-click does the same as left-click for you (this is user configurable on a Mac), do ctrl+click instead.
You tell Thunderbird which folder to use for saving sent message…
This problem is caused by Thunderbird reusing existing outgoing server settings that may already exist for the same server (but different username) when setting up a new account. …
Not sure that's the problem, but you have to set up the Gmail accounts in Thunderbird as described here:
https://support.mozilla.org/kb/automatic-conversion-google-mail-account…
Have you set up the account in Thunderbird as IMAP or as POP? Somehow I have the feeling you've set up it as POP. You can only see the folders on the server if the account is IMAP…
Interesting… I was going to ask whether you had Read & Write permissions to the profile folder, in case that could explain Thunderbird not being able to create the file there, but…
Rather than a limit on the number of messages, Thunderbird may have problems if Inbox grows too big in size and/or, in the case of POP accounts, the file used to keep track of whi…
Not sure I understand the problem. Is it that the password has changed, but you don't know how to make Thunderbird use the new one? Doesn't Thunderbird give you the option to ente…
Restarting the computer fixes the problem… you mean until it eventually reappears again, or what?
Try re-indexing the folder: right-click on it, choose Properties, then click R…
I'm not asking you to do anything to your existing POP account, I'm merely suggesting you to set it up as IMAP in addition to the POP account you already have. You don't even have…
In general, you can delete a folder by right clicking on it and choosing Delete. It will be treated according to your settings the same as if it was a message, i.e. moved to Bin/T…
Have you set up the account as POP or as IMAP? The latter (IMAP) is what you should use for mail you want to keep on the server so it remains synchronized across multiple devices.
If you want the messages to be deleted when quitting Thunderbird, the setting is Account Settings > Server Settings > Empty Trash on Exit.
But if you want the messages to be re…
If Thunderbird is using the wrong profile for some reason, you have to make sure first Thunderbird uses the right one, as described here:
https://support.mozilla.org/kb/recover…
What type of account is this (POP, IMAP)?
You may be experiencing an issue similar to the one described in the following article, i.e. Thunderbird may be using the wrong profil…
He said this is not a Gmail account, but even if it was, these are Thunderbird labels (tags), not Gmail labels. A Gmail label would make the message appear in a folder with the na…
Syncing doesn't happen in a predetermined direction. It depends on where changes happen. Syncing is accomplished by applying to one side the changes made on the other. You cannot …
This is confusing, but it sounds like you simply had the whole Local Folders moved to the NAS on the old computer, but not on the new. Thunderbird wouldn't be storing mail moved t…
The contents of that folder don't show any signs of trouble there. What happens when you do manually check for new mail? Do you get an error message?
You cannot change the type…
I'm wondering whether this being a swissonline.ch email address instead of a hispeed.ch one could have something to do with the problem…
Changing to IMAP for "testing" is out f…
I don't know what's going on with the forum… Your screenshots did show up, I saw them, then when I was going to post my reply, your whole post disappeared… so I decided to wait un…
OK. You appear to have somehow set up the same account twice in Thunderbird, and it would seem you were able to do that because the mail server accepts as username both the whole …
There are only folders there, not files. You appear to be looking at the contents of the account folder from Thunderbird itself, probably by having clicked the Browse button to th…
Thunderbird doesn't look for profiles in the default location where profile folders are stored. Instead, it uses a profiles.ini file to keep track of the profiles it knows exist a…
How is the mail account set up for each of you (POP, IMAP)? Have you checked (e.g. using webmail) whether the messages you don't get are on the server? Do you get any error messag…
What type of mail account is this (POP, IMAP)? Do you have any Message Filters? In which folder on the smartphone did you find the missing messages?
They could be hidden becaus…
Why just a PDF editor? Why not also an image editor? Or a word processor? Let's ask Thunderbird to be able to do everything that you might want to be able to do for every kind of …
Don't know if it that could be the problem, but make sure you have cookies and JavaScript enabled in Thunderbird, as described here:
https://support.mozilla.org/kb/automatic-co…
Make sure your Gmail account is properly configured to use OAuth2 authentication, as described here:
https://support.mozilla.org/kb/automatic-conversion-google-mail-accounts-oaut…
You may create folders under Local Folders, to store and organise your mail locally on your computer there however you wish, independently of any mail account you may have.
You…
Again, because the mail servers are different… You may give each account a different Account Settings > Account Name. It defaults to the email address, but you may type there what…
No. I mean set up a new email account in Thunderbird for your existing mail account on the new server, instead of reusing the existing setup in Thunderbird like you did. Even if t…
According to their [https://support.hostinger.com/en/articles/4305847-set-up-hostinger-email-on-your-applications-and-devices published data], your account settings appear to be c…
Take a look at the article I linked and compare the mail server names that appear there to the one you're using:
mail.hostedemail.com / mail.emailhome.com for "Cluster A"
mail…
Glad to know. See all those popstate.dat files in the old POP account folder? popstate.dat is the file that Thunderbird uses for POP accounts to keep track of things like which me…
Use the following article to try to figure where the Thunderbird folder is located in your filesystem. You'll know you've found the right folder when you see a profiles.ini file a…
What type of mail account is this (POP, IMAP)? If you want Thunderbird to display folders that are on the server, you have to set up the account as IMAP, because POP can only get …
Right. Mail stored in Local Folders becomes detached from the account you moved/copied it from, and hence not affected by anything you may do to the account.
I would recommend …
