USMT might not migrate your users PST file by default
(Last updated on November 30, 2018)
Just had a customer who was in a bit of a panic due to a reinstall of a computer and where USMT had not saved the users .PST file…
“By default, USMT 4.0 migrates PST files that are linked to a user’s Outlook profile.”
What this means is that PST files which are simply stored on the drive but NOT actually connected to Outlook might NOT migrate.
For example, if a user has a PST file store in their c:userssomeuserappdatalocalmicrosoftoutlook folder: USMT doesn’t just copy that folder’s contents willy-nilly; after all, those are mostly local per-computer settings and data, and just blasting them onto another computer could cause problems.”
There is a description on how you can add .PST Gathering in USMT in this blog post where I got the above info …