This article was previously published under Q248335
This article has been archived. It is offered "as is" and will no longer be updated.
For information about the differences between Microsoft Outlook Express and Microsoft Outlook e-mail clients, click the following article number to view the article in the Microsoft Knowledge Base:
257824 OL2000: Differences Between Outlook and Outlook Express
This article describes how to compact the message store file in Outlook Express 5 for Macintosh.
To compact the message store, press OPTION while starting Outlook Express 5.
You receive the following message:
Would you like to compact the database?
If you click Yes, the messages are compacted, any unused spaces are removed from the database. If you click No, you receive the following message:
Would you like to do a complex rebuild of the database?
If you click Yes to compact the database, any unused spaces are removed from the database, data that is corrupted is removed and links are broken . If you click No, a rebuild of the database is not done.