To Backup IMAP mailboxes to PST format? Then I would like to suggest you can also try Mailsbackup IMAP Backup Tool to backup IMAP mailbox emails to local PC as PST, MBOX, EML, PDF, etc. IMAP Backup and Restore tool enables to backup IMAP Server and IMAP account to IMAP, Gmail, Office 365, etc. You can also save IMAP account emails to various desktop based email clients such as Thunderbird, Outlook, Lotus Notes, Windows Live Mail, Zimbra, etc. 

Check for more details at: https://www.mailsbackup.com/imap/

A professional tool ZOOK OST to PST Converter lets you to convert OST files to PST format. It enables you to again retrieve your MS Outlook data again in Outlook along with attachments, emails, contacts, notes, and other data items. It simply works with all the version of Outlook including Outlook 2021, 2019, 2016, 2013, etc. to convert OST file into PST format.

Download and use it now :- https://www.zooksoftware.com/ost-to-pst/

The best PST to EML Converter in 2025?Then use a reliable ZOOK PST to EML Converter tool, which can be found online or as downloadable software. Install the chosen tool and open it. Then, load your PST file by navigating to the 'Import' or 'Add File' option provided by the software. After the PST file has been loaded, select the EML format as the desired output option. Finally, choose a destination folder for the converted EML files and initiate the conversion process. Once completed, your emails will be available in EML format for access in compatible email clients.

Check for more details at: https://www.zooksoftware.com/pst-to-eml/