Outlook 2013/2016: Types of connections to Microsoft Exchange

In this post, I would like to make out the types of Microsoft Outlook 2013/2016 connections to the Microsoft Exchange Server 2016, depending on the type of mailbox (personal, archive, shared or Public Folders).
There are 2 main types of connections: cached and online. The online mode is simple, but the cache mode is more complex. To learrn more what is Cached Mode go to TechNet.

Exchange 2016: setup tried to install wrong CU version

Recently faced an interesting feature on the start at installation of Cumulative Update.

When starting CU setup from the command line, the installation of the current version can start.

An example:
[PS] C:\Windows\system32>cd d:\
[PS] D:\>setup /PrepareSchema
Microsoft Exchange Server 2016 Cumulative Update 6 Unattended Setup