Merge pull request #102666 from LuisCabrer/patch-83

Clarified message metadata type info

Author: PRMerger16

articles/search/search-howto-indexing-azure-blob-storage.md

@@ -383,7 +383,7 @@ The following table summarizes processing done for each document format, and des
 | PPTX (application/vnd.openxmlformats-officedocument.presentationml.presentation) |`metadata_content_type`<br/>`metadata_author`<br/>`metadata_creation_date`<br/>`metadata_last_modified`<br/>`metadata_slide_count`<br/>`metadata_title` |Extract text, including embedded documents |
 | PPT (application/vnd.ms-powerpoint) |`metadata_content_type`<br/>`metadata_author`<br/>`metadata_creation_date`<br/>`metadata_last_modified`<br/>`metadata_slide_count`<br/>`metadata_title` |Extract text, including embedded documents |
 | PPTM (application/vnd.ms-powerpoint.presentation.macroenabled.12) |`metadata_content_type`<br/>`metadata_author`<br/>`metadata_creation_date`<br/>`metadata_last_modified`<br/>`metadata_slide_count`<br/>`metadata_title` |Extract text, including embedded documents |
-| MSG (application/vnd.ms-outlook) |`metadata_content_type`<br/>`metadata_message_from`<br/>`metadata_message_from_email`<br/>`metadata_message_to`<br/>`metadata_message_to_email`<br/>`metadata_message_cc`<br/>`metadata_message_cc_email`<br/>`metadata_message_bcc`<br/>`metadata_message_bcc_email`<br/>`metadata_creation_date`<br/>`metadata_last_modified`<br/>`metadata_subject` |Extract text, including attachments |
+| MSG (application/vnd.ms-outlook) |`metadata_content_type`<br/>`metadata_message_from`<br/>`metadata_message_from_email`<br/>`metadata_message_to`<br/>`metadata_message_to_email`<br/>`metadata_message_cc`<br/>`metadata_message_cc_email`<br/>`metadata_message_bcc`<br/>`metadata_message_bcc_email`<br/>`metadata_creation_date`<br/>`metadata_last_modified`<br/>`metadata_subject` |Extract text, including attachments. `metadata_message_to_email`, `metadata_message_cc_email` and `metadata_message_bcc_email` are string collections, the rest of the fields are strings.|
 | ODT (application/vnd.oasis.opendocument.text) |`metadata_content_type`<br/>`metadata_author`<br/>`metadata_character_count`<br/>`metadata_creation_date`<br/>`metadata_last_modified`<br/>`metadata_page_count`<br/>`metadata_word_count` |Extract text, including embedded documents |
 | ODS (application/vnd.oasis.opendocument.spreadsheet) |`metadata_content_type`<br/>`metadata_author`<br/>`metadata_creation_date`<br/>`metadata_last_modified` |Extract text, including embedded documents |
 | ODP (application/vnd.oasis.opendocument.presentation) |`metadata_content_type`<br/>`metadata_author`<br/>`metadata_creation_date`<br/>`metadata_last_modified`<br/>`title` |Extract text, including embedded documents |