This idea has been rejected ("there are no plans to do this"). While it's "certainly possible that this could change in the future" I think we need to acknowledge that the probability of change is extremely low. Commenting on the passage of time has...
A request for enhancement (RFE) was filed in Bugzilla as Bug 395151 on 2007-09-05, nearly 19 years ago, and at least 7 duplicate bugs filed in that period. This idea page has been linked to bug by Wayne Merry (:wsmwk, Thunderbird Team) on 2026-08-2...
FWIW, I added corrections to the claims made by wsmwk (Thunderbird Team) and a summary of the feedback from this thread to Bug 1802813 comment 4 at the time they added their comment.Even thought the reasoning behind the removal of CSV export was faul...
> I don't know, why a good working function gets deleted for no reason.Bug 1226851 (reported 2015-11-21; actioned 2021-08-14) answers this question: someone thought that "known limitations" of the export were sufficient reason to remove this feature....
