Adobe Acrobat 7 Professional - Manual (Page 501)

Adding attachments to Adobe PDF documents
Sometimes you want to attach a separate file to your PDF document that contains related
information. In Acrobat 7.0, you can attach a PDF file or a file from other applications to
your PDF document. To attach a file as a comment, see
Adding attachments as comments .)
To attach a file to a PDF document:
1. Do one of the following:
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Choose Document > Add File Attachment.
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Click the Attach A File button on the File toolbar.
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Click the Attachments tab, and click the Add button .
2. In the Add Attachment dialog box, select the file you want to attach, and click Open.
Drag a PDF file to the Attachments tab of an open PDF file to attach it.
Related Subtopics:
Personalizing attachments with a description
Linking between files