KeyView 24.4
KeyView HTML Export SDK C Programming Guide

# Extract Mail Files

A file that contains an e-mail message, for example a Microsoft Outlook .MSG file, is typically treated as a container even if it does not have any attachments. KeyView provides access to the message text as a subfile.

When you extract a subfile that represents the text of a message, KeyView includes header fields such as `From`, `To`, and `Subject`, but this information is also available as subfile metadata through the metadata API. If you are programming with the C or Java API you can choose not to include the header information when extracting the message text (see Mail Metadata).

Any files that were attached to the e-mail message are also available as subfiles.

Sometimes a mail message might contain another message as an attachment, and the attached message might have its own attachments. In this case KeyView considers the text of the attached message, and its attachments, as subfiles of the original container. The KeyView API provides information that allows you to understand the relationships between the subfiles (see Understand the Subfile Hierarchy).

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Version 24.4 | Last updated September 2024

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Product: IDOL KeyView 24.4

Topic Title: Extract Mail Files