O365 hybrid mailbox move, largeitem skipped warnings

When migrating mailboxes to O365 exchange online, maximum item size is limited to 150 MB.

To move these items, you can export these to pst -file and you can import these back after mailbox is migrated.

With this script to find users / mailboxes with over sized items. The script tells only folders
and the size of the largest object, so each folder can contain a number of over-sized items.

Still having LargeItem warnigs, read these:

User have been migrated back to onpremisses, and max item size is limited for 35MB

General info, to better understand the message size restrictions



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