การตอบกลับทั้งหมด (1)
Thunderbird has limited built-in import capabilities, which are described here:
https://support.mozilla.org/kb/thunderbird-import
In particular, and strangely enough, Thunderbird doesn't have built-in import/export capabilities for individual mailboxes, but that functionality can be added to Thunderbird by installing an add-on (extension) called ImportExportTools:
https://addons.thunderbird.net/thunderbird/addon/importexporttools-ng/
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