If you dont know how to export IMAP Account emails to Thunderbird local folder so you must know about this software. Businesses keep all of the user account data on cloud servers. Because of this, users are unable to access their data when the internet is down. However, Thunderbird allows for local email access. Users favour downloading local copies of IMAP Account emails to Thunderbird local folders as a result.this software saves your data in many file formats like PST, EML, EMLX, MSG, HTML, MHTML, and MBOX files.