With large table support disabled, which is the default for Outlook
2000, you can have on the order of 16,000 items per folder, and 16,000
subfolders per folder. With large table support enabled, you can have
on the order of 65,000 items per folder and 65,000 folders per folder.
To enable large table support, right-click the root folder of your
Personal Folders, select Properties, click Advanced, and check the box.

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Jocelyn Fiorello
MVP - Outlook
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> All,
>
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>
> Jamie