An ‘attachment’ is a file such as a document or a photo that is attached to an email. It’s easy to attach pictures, files, contacts, emails and many other items to your Outlook messages. If you selected a file on your Local computer or group document library for the attachment purpose, a copy of the file is attached to the email.
The case: A software developer is making a document viewing application....you selected a file on your local computer or group document library...The GroupDocs.Viewer for .NET API for Processing Attachments #...