The following Box objects are not supported when migrating to OneDrive for Business or SharePoint Online.
·Custom Terms of Service
oIf the Box tenant has a Custom Terms of Service configured and a user has not Accepted the Terms of Service, then their Box account cannot be accessed and therefore their content cannot be migrated.
·External users (permissions and metadata)
·File and Folder descriptions
·Objects in the "Trash"
·Office documents created in Box with a size of 0 KB cannot be migrated using Azure Turbo
·"Tags" and Favorite labels
oThe item can still be migrated, however these labels will not be retained.
·Version history when a more recent version has a created date earlier than a previous version cannot be migrated using Azure Turbo.
·Mass migration from Box to Office 365 preserves file information available in the Version history section only, the original information from file shares gathered in the File Information section is not supported during migration.