Maximum mailbox size

[sam]

Everything documented about a UNICODE PST/OST applies to a ZDB in 4.0.2 and newer.

How to configure the size limit for both (.pst) and (.ost) files in Outlook 2007 and in Outlook 2003

The default max size is set to 20GB.

[smharder]

Everything documented about a UNICODE PST/OST applies to a ZDB in 4.0.2 and newer.

How to configure the size limit for both (.pst) and (.ost) files in Outlook 2007 and in Outlook 2003

The default max size is set to 20GB.

I don't understand the relationship between the Microsoft notes you cite and the Zimbra zbd file format. The real question is, "is 20 gbytes the real limit for a zbd file format or not?" I guess I just want confirmation that I'm understanding your response correctly.