https://support.mozilla.org/en-US/questions/14643762024-09-19T17:06:52.498010-07:002024-09-19T17:06:52.498010-07:00MattAuSupporthttps://support.mozilla.org/en-US/questions/1464376#answer-1675657

<p>Repair does nothing to the underlying store of message. It just builds a new index of messages in the store. </p><p>So either the file is corrupt, or that data is not there to index. </p><p>What the search is showing you is the portion of the message stored in the search index. It is only reinforcing that the messages are <strong>NOT </strong>there because it can not display them. </p><p>I suggest that you recheck that you account is configured as POP as if they are removed from an IMAP account then they would vanish as you suggest is happening. </p><p>Next is your Thunderbird 32 or 64bit? on what operating system. </p><p>Clearly you do not have Thunderbird on your iphone and that is the operating system reported from your initial post. </p>

2024-09-18T22:30:31.215040-07:00arkotaxidiarishttps://support.mozilla.org/en-US/questions/1464376#answer-1675463

<p>I’ve also tried to save a copy of the entire mailbox folder and then re-import that into Thunderbird with a plug-in, but mails still aren’t visible. </p>