Below is a list of limits that apply when using some key email functions in NetDocuments:

Secured Document Delivery
Hard limit of 500 items at a time, but the practical or "soft" limit is 400 items.
Email CopySelect up to 65 items when using Email Copy option
Email LinkSelect up to 18 items when using the Email Link option.  This applies to either native NetDocuments email or Desktop Email Integration.
Mapped Outlook Folders i.e. ndMail Folder MappingA maximum of 1,000 folders can be created in Outlook and mapped to locations in NetDocuments.