Saving changes to, Reattach it to the primary pdf document. (see, Saving modified files into the primary – Adobe Acrobat 7 Professional User Manual

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Saving modified files into the primary Adobe PDF
document

If you make changes to a non-PDF attachment, you must delete the existing file
attachment in the primary PDF document and then create a new file attachment with the
modified document.

This manual is related to the following products:

Acrobat 7 Standard