Microsoft KB Archive/173709

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Header.exe Lists Microsoft Outlook 97 Constants

Article ID: 173709

Article Last Modified on 2/24/2005


  • Microsoft Visual FoxPro 3.0 Standard Edition
  • Microsoft Visual FoxPro 3.0b Standard Edition
  • Microsoft Visual FoxPro 5.0 Standard Edition
  • Microsoft Visual FoxPro 5.0a
  • Microsoft Visual FoxPro 6.0 Professional Edition

This article was previously published under Q173709


Header.exe is a file that defines all the Microsoft Outlook constants for you, which allows you to make calls to the Outlook object model without having to define all the constants yourself.


The following files are available for download from the Microsoft Download Center:

For additional information about how to download Microsoft Support files, click the following article number to view the article in the Microsoft Knowledge Base:

119591 How to Obtain Microsoft Support Files from Online Services

Microsoft scanned this file for viruses. Microsoft used the most current virus-detection software that was available on the date that the file was posted. The file is stored on security-enhanced servers that help to prevent any unauthorized changes to the file. This file contains the constant definitions for the Outlook Object Model. The information comes from the VBA Outlook Help file that is shipped in the Valuepack for Office 97.

After you've downloaded Header.exe, run the program. The following two files will be extracted:

  • Outlook.h
  • Readme.txt

Move the Outlook.h file into your project directory.

To use this file, you can issue the #Include command in a .prg file, which would look like the following:


Or you can include the file in your form or class by clicking the Form menu or the Class menu and selecting Include File. Then click the Outlook.h file. This allows your code to access any of the constants that are used in Outlook.

(c) Microsoft Corporation 1997, All Rights Reserved. Contributions by David Botzenhart, Microsoft Corporation

Additional query words: Header

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