i want to copy items from root libarary to sub site documen libary in 0365 ,let me know the process for do this?
I wrote about something simliar here: How a copy list Item attachments to a folder
This is copying list item attachments to another folder but adapting it for your requirement should be possible. You will probably use the GetListItems method of the web service rather than the GetAttachmentCollection method.
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