Name: archivepartition-name
Type: STRING
Default-Value: NULL
Last-Modified: 3.0.0
For-Documentation-Only: 1

The pathname of the archive partition *name*, corresponding to spool
partition **partition-name**.  For any mailbox residing in a directory on
**partition-name**, the archived messages will be stored in a corresponding
directory on **archivepartition-name**.  Note that not every
**partition-name** option is strictly required to have a corresponding
**archivepartition-name** option, but that without one there's no benefit
to enabling archiving.
