Just posting about how I solved my problem in case it happens to someone 
else.


So the problem was that some messages disappeared after I hit j, k, 
ctrl+J, or ctrl+k on a message in Thunderbird. I was able to find the 
messages in the email exchange only when I used shift+ctrl+f, not when I 
just arrowed through the messages in my inbox. The inbox wasn't set to 
group messages in conversations, and all other message and folder 
settings seemed correct for displaying all emails. After Christopher's 
suggestion, I checked all the folders on the computer; then I went to 
the Yahoo Mail website (SBC Global is technically Yahoo Mail), but I had 
no Junk or Spam there either, though weirdly, the missing messages were 
sitting in the Inbox on the website. I returned to Thunderbird, searched 
for the message on the computer, and hit ctrl+J to unJunk it, but though 
the dialog box came up, the message continued to be missing from my 
computer's Inbox and other folders.


Today I searched for the message again, and while inside it, I hit the 
applications key, went into the Mark Message submenu, and pressed enter 
on Not Junk. Just in case, I also hit the applications key, went into 
the Move To submenu, and pressed enter on the correct inbox. I'm not 
sure which of the two solved the problem, but the messabe is once again 
in my inbox, and I still have no idea where it was.



On 5/25/2016 5:00 AM, Christopher Chaltain wrote:
> Have you checked your junk folder? It's called Spam on my system, but 
> that may be because I'm using Gmail. Your email provider may use a 
> different folder. It's in the Gmail subfolder on my system. The "j" 
> key marks a message as junk.
>
> Gmail also has an All folder which lists all of the messages on your 
> account, so it's easy to find messages even if you're not sure what 
> folder they might be in. I'm not sure if SBC has something similar or 
> not.
>
> On 24/05/16 21:38, Ana G wrote:
>> Hi All,
>>
>>
>> In a nutshell, I've got a missing conversation in one of my inboxes in
>> thunderbird. The messages appear when I run a search, but not when I
>> arrow through the inbox or other folders, including Archive and Trash.
>> How do I get my messages back?
>>
>>
>> the long version of the problem is this:
>>
>>
>> I was reading messages in the inbox for one of my accounts. for this
>> account, messages are * not * grouped in conversations. After I read a
>> message, I pressed escape to return to the list of messages. Then I
>> decided to be clever and jump to the next unread mesage. The shortcuts
>> for next and previous unread message are N and P, but I didn't remember
>> this at the time. I thought it was J or K or possibly ctrl+j or ctrl+k,
>> so I pressed one or more of these keys. Then I got a warning about
>> future messages in the conversation being ignored, and all the messages
>> in the exchange between this person and me disappeared.
>>
>>
>> That was very much a bad thing since the messages are work related. I
>> hit J, ctrl+j, k, and ctrl+k to try to undo what I'd done. At one point,
>> I got a dialog to unjunk the messages, so I did, but the messages are
>> still gone from the inbox, archive, and trash.
>>
>>
>> Since the messages are coming up when I search, they've got to be
>> somewhere on my computer. I've checked a couple of submenus in the view
>> menu, but everything seems fine in terms of viewing all messages.
>>
>>
>> any ideas?
>>
>>
>> Ciao
>>
>>
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