An email attachment index occurs on import. All imaged emails with attachments will contain an index of those attached files in the email header. Changing this setting in your database will only apply to future imports.
NOTE: In any new database (Review or Prep), the Attachment Index's default setting is ENABLED.
Modifying Email Attachment Index
To disable the attachment index on all future imports in Review go to SETTINGS > Import. These same settings can be found in Prep via More > SETTINGS > Import.
Scroll down to the find the Attachment Index on Email Images settings box and click Edit.
To change the attachment index settings, click Disable Attachment Index.
Below is an example of how the index will display on an imaged email when attachments are present. Shown in the document viewer screen.