Restore from Recoverable Items, deleted deleted items.
Get the count for all deleted, deleted items from past 2 days
Get-RecoverableItems USERNAME-ResultSize Unlimited -FilterStartTime (get-date).adddays(-2) -FilterItemType IPM.Note | select Identity,Subject,LastmodifiedTime | Measure-Object
Do the restore based off the count above:
Get-RecoverableItems kelly -ResultSize Unlimited -FilterStartTime (get-date).adddays(-2) -FilterItemType IPM.Note | select Identity,Subject,LastmodifiedTime | Restore-RecoverableItems