For backing up large IMAP mailboxes with attachments, SysInfo IMAP Backup Tool can be used to handle mailbox data while retaining emails, attachments, and folder organization. It supports large-scale IMAP backup and provides multiple output options, including PST, MBOX, EML, MSG, PDF, CSV, JSON, DOC, and DOCX. Users can select specific folders or apply date-range and other email filters instead of processing the entire mailbox. The software also includes duplicate removal, folder mapping, and incremental migration features to help manage repeated backup tasks efficiently. Attachments can be included with exported emails or handled separately according to the selected output options. For multiple mailboxes, CSV-based batch processing allows several IMAP accounts to be handled through a single workflow. SysInfo IMAP Backup Tool works with common IMAP services such as Gmail, Yahoo, Zoho, Outlook, and other IMAP-enabled providers, making it suitable for both individual users and organizations managing large email archives.
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