|In Windows Explorer or Control Panel,|
click Tools in the Menu bar,
click Folder Options,
click View tab,
in Advanced Settings list, find and check mark "Remember each folder's view settings".
After doing the above, and it does not work good enough, then:
After setting a folder to what you want,
go to the View tab in Folder Options, and click the "Apply to all folders" button.
I have My Document Icons arranged by Type.
After I did the above settings, any new Document shows up
at the bottom. Then the next time I open My Documents, that
new Document is shown among all the other shown by type.