Microsoft Download Center Archive

Office Environment Assessment Tool (OEAT): Office Compatibility

  • Published:
  • Version: 2.2
  • Category: Tool
  • Language: English

OEAT scans client computers for add-ins and applications that interact with Microsoft Office 97, Microsoft Office 2000, Microsoft Office XP, Microsoft Office 2003, the 2007 Microsoft Office system, and Microsoft Office 2010. You use OEAT during the assessment phase of an Office 2010 or Office Professional Plus for Office 365 deployment project.

  • OEAT is a comprehensive scanning tool that helps you assess the compatibility of existing add-ins and applications in your environment. OEAT can identify the following:

    • Office add-ins that are currently installed
    • Programs that are not registered as add-ins but still interact with Office programs
    • Information about client computers, such as processor models and types (32-bit or 64-bit), free disk space, Windows version, and Office version
    • Report: Add-ins assessment—list of third party programs and information about the compatibility of those programs with Microsoft Office 2010.
    • Report: Environmental assessment (potential upgrade issues).


Status: Deleted

This download is no longer available on The downloads below are archives provided by the Internet Archive Wayback Machine from the Microsoft Download Center prior to August 2020.

FileSHA1 HashSize
OEAT2010Update1.exe1d95d4e9c3bf48d9767adfd7ac8685395a7ef5b9150 KB
OfficeCompatUpdate1_ReleaseNotes.docx439a183e7fcb7ee25063cbea942b73a478c9712a440 KB
OfficeCompatUpdate1_ReleaseNotes.xps62c2013bd5674c7daedd5735287632d1dd74fd48314 KB

This download includes .xps files. XPS was a Microsoft document format intended to replace PDF. To view these files, you may need to install the XPS Essentials Pack.

System Requirements

Operating Systems: Windows 7, Windows Server 2003, Windows Server 2008, Windows Server 2008 R2, Windows Vista, Windows XP Service Pack 3

    • This tool collects information for the following Office applications:
      • Microsoft Office 97
      • Microsoft Office 2000
      • Microsoft Office XP
      • Microsoft Office 2003
      • 2007 Microsoft Office system
      • Microsoft Office 2010
    • In addition, you must have the following installed:
      • Microsoft .NET Framework 2.0 or later
    • The report compilation feature of the tool requires one of the following Microsoft Excel versions to be installed.
      • Microsoft Office Excel 2007
        Microsoft Excel 2010

Installation Instructions

  • To install this download:
    1. Download the file by clicking the Download link (above) and saving the file to your hard disk.
    2. Double-click the OEAT2010Update1.exe program file on your hard disk to start the setup program.
    3. Accept the user terms for the tool
    4. Once the program file is extracted, double-click the OEAT.exe file to start the program from the extracted location.

    Instructions for use:
    For information about how to use this tool, see the Office Environment Assessment Tool (OEAT) user's guide for Office 2010.

    To remove this download:
    • To remove the download file, delete the OEAT.exe file and configuration files from your hard disk.

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