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Article ID: 2025910 - Last Review: July 7, 2011 - Revision: 21.0

Symptoms

When you attempt to install Office 2008 for Mac, you may receive this error: 

Microsoft Office 2008 for Mac can't be installed on this disk. A newer version Microsoft Office 2008 is already installed.

Cause

During installation newer installation files were found on the machine from a different version or updated trial version.

Resolution

To resolve this issue, you must manually first remove Office 2008 for Mac and then reinstall.

Before you proceed with the steps below, please have your installation media and product key in hand.  If you have a downloaded version of the product, find the email with the link to re-download the executable.

Step 1: Remove Office 2008

You must manually remove all files for Office 2008 for Mac on your computer. For information about how to remove Office 2008 for Mac from your computer, click the following article number in the Microsoft Knoweldge Base:

2500821 How to manually remove Office 2008 for Mac

After removing Office 2008 for Mac, reinstall it back. Proceed to Step 2 in this article.  

Step 2: Reinstall Office for Mac 2008

For information about how to install Office 2008 for Mac on your computer, click the following article number in the Microsoft Knoweldge Base: 

2400260 How to install Office 2008 for Mac

Once you have completed Step 1 and Step 2 in this article, the Office 2008 for Mac applications should start.


APPLIES TO
  • Microsoft Office 2008 for Mac
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