Teams and Skype for Business Online both capture IM conversation records that can be found by Office 365 eDiscovery (content) searches. All of which is good, but if you ever get around to performing eDiscovery and need this information, you’ll find that Skype for Business Online conversation transcripts are easier to use than the individual copies of conversation contributions captured by Teams.
Many differences exist between the on-premises and cloud worlds. The Files folder is one of Office 365’s unique features. The folder exists in user mailboxes to hold information about “file-oriented experiences.” As it turns out, apps like Delve, SharePoint, and Office 365 Groups like to display file information to users, but they need a fast and efficient way to get to that data. Files is the answer!