Earlier versions of Office are removed when you run the Office 2010 Setup program

Article ID: 2521779 - View products that this article applies to.
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SYMPTOMS

When you run the Microsoft Office 2010 Setup program on a computer on which earlier versions of Microsoft Office are installed, the earlier versions of Office are removed. Additionally, you may not receive a message stating that this has occurred. 

Note When you click Upgrade in the Microsoft Office <suite_name> 2010 Setup program dialog box, you may see the following description: Install Microsoft Office based on your current Office configuration, and remove previous versions of Office from your computer.

CAUSE

This issue occurs because earlier versions of Office are automatically removed when you click Upgrade in the Microsoft Office <suite_name> 2010 Setup program dialog box. This automatic removal occurs by default.

RESOLUTION

Use the suggestions below to restore previous versions of Office.

MORE INFORMATION

When you click Custom in the Microsoft Office <edition> 2010 Setup program dialog box, the Custom setup dialog box opens. When you click the Upgrade tab, you see the following options:

Remove all previous versions
Keep all previous versions
Remove only the following applications

Also, each installed program from an earlier version of Office is listed in the Upgrade tab. There is a check box next to each program name. When you upgrade to the Office 2010 suite, the Office Setup program targets the following versions of Office programs for removal:

All versions of Microsoft Office XP
All versions of Microsoft Office 2003 
All versions of Microsoft Office 2007

Versions of Office products that are not listed must be removed by using the Add or Remove Programs feature in Control Panel.

Note Although we do not recommend this configuration, you can install and use more than one version of Office on a single computer. For example, you can install and use both Office 2007 and Office 2010 on the same computer. 
For more information, click the following article number to view the article in the Microsoft Knowledge Base:

2121447 Information about how to use Office 2010 suites and programs on a computer that is running another version of Office


How to remove earlier versions of Office programs


When you install Office, the Setup program verifies whether any components from earlier Office versions are installed on your computer. If the Setup program detects these earlier components, and if you select any option except Upgrade in the Microsoft Office <edition> 2010 Setup program dialog box, the Setup program displays the Upgrade tab. If you select Remove all previous versions, the Setup program removes all earlier Office programs that are installed. This helps prevent unnecessary files from occupying disk space on your computer.

You can also selectively remove programs from earlier versions of Office. To do this, select the Remove only the following applications option in the Microsoft Office <edtion> 2010 Setup program dialog box. Then, select each program that you want to remove.

Note If you remove older Office components, other programs that use these older components may not work correctly.

For example, assume that you want to install an Office 2007 suite. You previously developed a custom program that will work only in Microsoft Access 2002. To use the custom program, Access 2002 must be available after you install the 2007 Office suite. Therefore, you must click Custom in the Microsoft Office <edition> 2010 Setup program dialog box, click the Upgrade tab, and then click to clear the check box next to Access 2002 (and any other programs that you want to keep).


How to keep earlier versions of Office programs


To set up the Office 2010 suite and to keep earlier versions of Office programs on the same computer, use either of the following methods.

Note You can have only one version of Microsoft Outlook installed on your computer. If you decide to keep an earlier version of Outlook, Microsoft Outlook 2010 will not be installed.

Method 1: Select the "Keep All Previous Versions" option


To do this, follow these steps:

1. Run the Office 2010 Setup program, and then click Custom.
2. On the Upgrade tab, select Keep all previous versions.
3. When the Setup program is completed, the earlier Office programs will be available. 

Method 2: Select the "Remove Only the Following Applications" option


To do this, follow these steps:

1. Run the Office 2010 Setup program, and then click Custom.
2. On the Upgrade tab, select Remove only the following applications, and then click to clear the check boxes next to the programs that you want to keep.


How to reinstall earlier versions of Office programs after you install the Office 2010 suite


If you unintentionally remove earlier versions of Office programs that you wanted to keep, you must reinstall those programs. To do this, follow these steps:

1. Remove the 2010 Office suite.
2. Run the Setup program for each earlier program, and then reinstall the earlier programs.

Note Start with the oldest version first, and then continue to the newest version. Verify that the older programs work correctly.

3. Run the Office 2010 Setup program again, and then click Custom.
4. On the Upgrade tab, perform one of the following actions, as appropriate for your situation:
 
Select Keep all previous versions.
Select Remove only the following applications, and then click to clear the check boxes of the programs that you want to keep.

After you complete these steps, the earlier Office programs and the Office 2010 programs are available. 


How to remove earlier Office programs after you install the Office 2010 suite


To remove earlier versions of Office programs after you install the Office 2010 suite, run the Setup program for each earlier Office program, and then click Remove All. After doing this, it may be necessary to perform a repair of the Office 2010 product. To perform a repair of the 2007 Office system product in Windows XP, follow these steps: 

1. Click Start, and then click Control Panel.
2. Double-click Add or Remove Programs.
3. Locate the Office <edition> 2010 product in the listing of installed products, and then click it. 
4. Click Change.
5. In the Office 2010 Setup dialog box, click Repair, and then click Continue.

To perform a repair of the Office 2010 system product in Windows Vista or Windows 7, follow these steps: 

1. Click Start, and then click Control Panel.
2. Click Programs.
3. Click Programs and Features.
4. Locate the Office <edition> 2010 product in the listing of installed products, and then click it. 
5. Click Change.
6. In the Office 2010 Setup dialog box, click Repair, and then click Continue.



Note This is a "FAST PUBLISH" article created directly from within the Microsoft support organization. The information contained herein is provided as-is in response to emerging issues. As a result of the speed in making it available, the materials may include typographical errors and may be revised at any time without notice. See Terms of Use for other considerations.

Properties

Article ID: 2521779 - Last Review: March 18, 2011 - Revision: 1.0
APPLIES TO
  • Microsoft Office Standard 2010
  • Microsoft Office Home and Student 2010
  • Microsoft Office Home and Business 2010
  • Microsoft Office Professional 2010
  • Microsoft Office Professional Plus 2010
  • Microsoft Project Standard 2010
  • Microsoft Project Professional 2010
  • Microsoft Visio Standard 2010
  • Microsoft Visio Professional 2010
  • Microsoft Visio Premium 2010
Keywords: 
KB2521779

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