Hey,I recently ran into the same issue where Thunderbird sending duplicate emails or saving two copies of every email in the Sent folder. In my case, it turned out that both Thunderbird and the email server (such as Gmail or another IMAP service) wer...
To remove duplicates from Outlook, you can try sorting emails by Subject, From, or Date and manually deleting repeated items, or use Outlook’s Clean Up tool to remove redundant messages—but these methods often miss duplicates caused by syncing or imp...
