Exchange 5.5 Email Store and Format

In Exchange 5.5 users mailboxes are stored in the priv.edb and public folders are in the pub.edb. These make up what is refered to as the Information Store. The Organization structure, configuration and GAL are contained in the dir.edb which is called the directory service (or store).
Depending on where the performance optimizer suggested to place the databases depends on where the files might be located.
Most of the time they are located in an \exchsrvr parent directory. Exchange divides most of its components into other subdirectories.

Yes to all the above.
The database is JET.

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