There are not problem when Outlook send email without attachment or attachment below 100KB size, however it show error 0x800CCC13 “Cannot connect to the network.

Microsoft Outlook version 2016 and above has Simplified Account Creation feature, just type in your email and password, it will setup your email account automatic. ...

Microsoft Outlook is primarily an email and calendar application that's available as part of Microsoft's Office 365 suite. We able setup email account at Outlook ...