OL2000: Outlook 2000 Version Information (263138)

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This article describes the version information and the build numbers for U.S. versions of Outlook 2000.

Outlook 2000 Versions

The following table lists the available versions of Outlook 2000:

Version	Help About shows	Distributed with
9.0	9.0.0.2711	Microsoft Office 2000 (all versions). Initial release
9.0	9.0.0.3011	Outlook 2000 E-mail Attachment Security Update.
9.0	9.0.0.3821	Office 2000 Service Release 1 (SR-1) (or SR-1a)
9.0	9.0.0.4105	Outlook 2000 E-mail Security Update (BETA)
9.0	9.0.0.4201	Outlook 2000 E-mail Security Update (Final)
9.0	9.0.0.4527	Microsoft Office 2000 SP-2
9.0	9.0.0.5414	Outlook E-mail Security Update re-released on August 16, 2001

Version Information

• Outlook 2000 (9.0.0.2711) Original Version of Outlook is included with all Microsoft Office 2000 packages.
• Outlook 2000 (9.0.0.3011) The Outlook 2000 E-mail Attachment Security Update was release in June of 1999.

  235309 Outlook E-mail Attachment Security Update

• Outlook 2000 (9.0.0.3821) Office 2000 SR-1 fixed many issues with Outlook 2000. For a complete list of the fixed issues, please see the following article in the Microsoft Knowledge Base:

  245021 OFF2000: List of Fixed Problems in MS Office 2000 SR-1/SR-1a

• Outlook 2000 (9.0.0.4105) The BETA version of the Outlook 2000 E-mail Security Update. This version is no longer available.
• Outlook 2000 (9.0.0.4201) The Outlook 2000 E-mail Security Update was released on June 7, 2000. This security update provides protection from many viruses, such as the ILOVEYOU virus and the Melissa virus, as well as other viruses that spread through e-mail, or worm viruses that can replicate through Microsoft Outlook.
  
  For additional information about this update and how to obtain it, click the article numbers below to view the articles in the Microsoft Knowledge Base:

  235309 Outlook E-mail Attachment Security Update

  262631 OL2000: Information About the Outlook E-mail Security Update

• Outlook 2000 (9.0.0.4527) Office 2000 SP-2. For a list of items that were fixed in this release, please see the following article in the Microsoft Knowledge Base:

  276257 List of Issues Fixed in Office 2000 Service Pack 2