Microsoft offers an update for the Mac Office 2008 suite. Entitled update 12.1.4 it fixes a problem with Entourage:
Microsoft Office 2008 for Mac 12.1.4 Update
This update fixes a calendar issue in versions of Microsoft Entourage that were updated with the Microsoft Office 2008 for Mac 12.1.3 Update. The issue prevents Exchange accounts in Entourage from sending meeting invitations and responses. This issue can occur when an Entourage identity is configured with more than one mail account. We strongly recommend that all Entourage users who installed Office 2008 for Mac 12.1.3 Update install this update.
For additional information and/or for downloading this update: http://www.microsoft.com/mac/downloads.mspx
[translation by Linathael]
