The best way to export Outlook PST emails with attachments into Zimbra TGZ is to use a converter that preserves the original mailbox data. Attachments, folder hierarchy, email headers, formatting, and metadata are important during migration. A weak conversion method may break structure or skip files.
Softaken PST to TGZ Converter is designed to export PST mailbox data into Zimbra TGZ format. It supports PST emails with attachments and keeps the original folder arrangement during conversion. The preview feature also helps verify mailbox folders before saving the final TGZ file.
This is a practical option for users migrating from Outlook to Zimbra Desktop or Zimbra mail environment. It is better to avoid online tools for confidential PST files because mailbox data may contain private emails and business records.