Email attachment

An email attachment is a computer file sent along with an email message. One or more files can be attached to any email message, and be sent along with it to the recipient. This is typically used as a simple method to share documents and images. A paper clip icon is the standard indicator for an attachment in an email client. An email attachment is a computer file sent along with an email message. One or more files can be attached to any email message, and be sent along with it to the recipient. This is typically used as a simple method to share documents and images. A paper clip icon is the standard indicator for an attachment in an email client. Email standards such as MIME don't specify any file size limits, but in practice email users will find that they can't successfully send very large files across the Internet.