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Article ID: 290134 - Last Review: December 4, 2007 - Revision: 1.5

This article was previously published under Q290134

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SUMMARY

This step-by-step article explains the differences between the two editions of Microsoft Office XP: Retail and Enterprise. Although the two editions are nearly identical, there may be situations in which you need to determine which edition you own or have installed. Use one or more of the criteria listed in this article to establish your version of Office XP.



Office SKU

There are multiple Office stock-keeping units (SKUs) available for Office XP. Some of the SKUs overlap between Enterprise and Retail, but some SKUs are only available in one edition or the other. The following table lists the different Office SKUs that are available for Enterprise and Retail editions.
   Office SKU                    Editions available
   -----------------------------------------------------

   Professional with FrontPage   Enterprise
   Professional                  Enterprise and Retail
   Standard                      Enterprise and Retail
   Small Business                Retail (OEM)
				
Use this table to determine which edition you own. If you have either Office Professional or Office Standard, use one of the other methods listed later in this article.



Contents of the Office XP CD-ROM

Another way to determine whether you own an Enterprise edition of Office is to view the contents of the Office CD-ROM. If your CD-ROM has a folder called "ORK," you have an Enterprise edition of Office.



.Msi File Name on the CD-ROM

If the Windows Installer .msi package file name on the root of your Office XP CD-ROM contains "ret" or "tri" (for example, Proret.msi or Protri.msi), you have a Retail edition. If it does not contain "ret" or "tri" (for example, Pro.msi), you have an Enterprise edition.

If you do not have access to your Office XP CD-ROM, use one of the following methods.



Activation Requirement

If you were required to activate your Office license, you own a Retail edition of Office. Enterprise editions of Office are obtained through multiple-license agreements and do not require product activation.



Installation Package (.Msi) File Name

If Office is installed on your computer, you can check the Windows registry for the name of the Windows Installer package that was used during the Office installation. To do this, follow these steps.

Important This section, method, or task contains steps that tell you how to modify the registry. However, serious problems might occur if you modify the registry incorrectly. Therefore, make sure that you follow these steps carefully. For added protection, back up the registry before you modify it. Then, you can restore the registry if a problem occurs. For more information about how to back up and restore the registry, click the following article number to view the article in the Microsoft Knowledge Base:
322756  (http://support.microsoft.com/kb/322756/ ) How to back up and restore the registry in Windows
  1. Click Start and then click Run.
  2. In the Open box, type regedit and then click OK.
  3. Locate and select the following registry key, according to the version of Microsoft Windows that you use.
    Windows Version    Registry Location
    ------------------------------------------------------------------------
    
    Windows NT 4.0 or
    Windows 2000       HKEY_LOCAL_MACHINE\Software\Classes\Installer\Products
    
    Windows 98 or
    Windows Me         HKEY_CURRENT_USER\Software\Microsoft\Installer\Products
    
    					
  4. Below the \Products key, select each 32-character {GUID} until you find the one whose ProductName value matches your version of Office. For example, the 32-character {GUID} for Office XP Professional with FrontPage is 9040820900063D11C8EF00054038389C.
  5. Expand the selected 32-character GUID key.
  6. Select the SourceList subkey.
  7. Examine the data for the PackageName string value. If the data for this string value contains "ret" or "tri" (for example, Proret.msi or Protri.msi), you installed a Retail edition. If it does not contain "ret" or "tri" (for example, Pro.msi or Proplus.msi), you installed an Enterprise edition.


Installation Source

Finally, you can also tell whether you have an Enterprise or Retail edition of Office by the source for your Office installation. If you are installing from either of the following two sources, you have an Enterprise edition of Office:
  • Network administrative installation
  • Web URL (through a browser)
These two Office installation sources can only be created with an Enterprise edition of Office.

If you are using a CD-ROM to install Office, use one of the methods listed earlier in this article to determine whether you have an Enterprise or Retail edition.



REFERENCES

For additional information about differences between Enterprise and Retail editions of Office XP, click the following article number to view the article in the Microsoft Knowledge Base:
281934  (http://support.microsoft.com/kb/281934/ ) OFFXP: Errors When You Install Office XP from the Command Line Using Setup.exe

APPLIES TO
  • Microsoft Office XP Professional Edition
  • Microsoft Office XP Professional with FrontPage
  • Microsoft Office XP Small Business Edition
  • Microsoft Office XP Standard Edition
Keywords: 
kbhowtomaster KB290134
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