In, sort of, fairness, one can, of course, send photos through Outlook 2016 etc. using Windows Explorer/Send/Email.
That will also enable one to choose the size of the image(s) to be sent.
However, and it is a huge however, it requires one to have synced the Camera Roll to the computer. Thereby negating the whole idea of Cloud storage.
When there were placeholdersfor OneDrive that worked fine. Some genius at Microsoft disabled those thereby crippling most of the system.
Until someone in Redmond gets a grip on all of this and sanity is restored...