Attach any file to your existing PDF document. Is it a secret of Adobe PDF file that you can attach any file or files to an existing PDF documents? With this software utility, you can attach your Microsoft Word document or Excel document or Microsoft Visio document or Microsoft Publisher document or file of any type to your existing PDF file. And the file that you attach is called the ATTACHMENT of a PDF file. A user appreciated that he can attach his Microsoft Word document as an attachment to the PDF file that he has created! PDF Bundle is cool.