. Select this if you do not want to keep the PST files at the end of the migration. This option is available only if you choose to move shortcuts to the mailbox.
. Select this to compact PST files when the items in them have been migrated. This can recover a significant amount of disk space. Compaction occurs even if there are items that cannot be migrated.
. Select this to set the MS-DOS Read-only file attribute after successful migration. Outlook does not open a PST file that is Read-only. If you want to keep the PST files but do not want to move them for some time, this may prevent users from filing items in them after migration. If you also select , the PST files are not visible.
. This sets the MS-DOS Hidden file attribute after successful migration. The next time you run PST Migrator, these PST files are not visible, thus making it easier to see which PST files still need to be migrated. The files appear hidden only if you have set your desktop so that it does not show hidden files.