Mar 14 2018
- last edited on
May 24 2021
I just did an ediscovery search of just mailboxes and it came back with
Mar 14 2018 12:43 PMSolution
Might be other reasons as well, including server-side issues (mailbox not indexed or partially indexed). There's a detailed article on Unindexed items here: https://support.office.com/en-us/article/partially-indexed-items-in-content-search-in-office-365-d16...
26k unindexed items across 3791 mailboxes seems pretty normal to me, that's what, 8 items per mailbox on average?