Not sure if you saw this Tom. http://blogs.msdn.com/interoperability/archive/2009/10/26/roadmap-for-outlook-personal-folders-pst-documentation.aspx
On Thu, Oct 29, 2009 at 11:07:42AM -0400, tjpa wrote: > On Oct 28, 2009, at 11:04 PM, Elaine Zablocki wrote: >> I'm using Eudora, and one reason I'm using Eudora is that each email >> folder has its own file on my hard drive. I back up that drive every >> few days to an external drive. If there's a failure, at most I lose a >> few days' email. > > Modern email clients store either one email in one text file or one > email folder in one text file. The one email folder in one text file > method appends new emails to the end of the file with a separator mark > between each email. Lately the one email folder in one text file is > preferred because, with fewer files to open, it is more efficient. These > methods are all variations on what is called MBOX format. The only > exception to this sensible approach (that I know of) is M$ whose email > clients put everything in one huge and fragile database. This is a > variation on a method known as dumdum. > > > ************************************************************************* > ** List info, subscription management, list rules, archives, privacy ** > ** policy, calmness, a member map, and more at http://www.cguys.org/ ** > ************************************************************************* > > -- > This message has been scanned for viruses and > dangerous content by MailScanner, and is > believed to be clean. ************************************************************************* ** List info, subscription management, list rules, archives, privacy ** ** policy, calmness, a member map, and more at http://www.cguys.org/ ** *************************************************************************
