The New File Attachment Dialog
The Browse for Attachment dialog allows you to browse for files to attach to an issue record when in a field of type Attachments.
Invoking the New File Attachment Option
Click the New File Attachment icon in the toolbar of the Attachments field in an issue record's Issue form.
Using the Browse for Attachment Dialog
The dialog is a standard file-open dialog for your operating system.
Browse to a directory, choose one or more files, and click Attach.
Then enter comments (if desired), in the Comments dialog that displays. Click OK to attach the file(s) to the issue record.