Detailed info on Acrobat automation can be found in Interapplication Communication API Reference from Acrobat 8.1 SDK or Acrobat 9.0 SDK at http://www.adobe.com/devnet/acrobat/?navID=downloads. Free registration may be required.

#DEFINE PDSaveFull	1	&& Write the entire file.

* Original PDF file
lcPdfFile = "..."
* new PDF file with specified pages deleted
lcNewPdfFile = "..."
 
* Delete 3 pages starting with page 5
lnPage2DelStart = 5
lnPage2DelEnd = lnPage2DelStart + 3
* Acrobat application

Document properties, both built-in and custom, are a Microsoft Office-wide feature. The Word 2003 and Microsoft Office Excel expose document properties and provide the same way to work with them. These properties provide a powerful way to add and track specific information for a document.

The Outlook model doesn't provide access to the Label property, but it can be retrieved/changed via CDO 1.21.
Requires Outlook 2002 or later. Tested with Outlook 2003 only.
Based on http://www.outlookcode.com/codedetail.aspx?id=139

Code is based on Building Applications with Microsoft Outlook Version 2002