Connect to SharePoint Online Document Library from Excel

Question

We have a number of people in the field who fill out fairly complex evaluation forms in excel. These forms are submitted to a document library in SharePoint Online
What I need to be able to do is report off these submitted excel files reading and consolidating specific data (they are all of a consistent format). There may be any number of excel sheets in the source document library
Previously I would have done this using VBA but I cannot find a way of connecting to a sharepoint online document library from excel vba - I am open to other options

Answer 1

Hi Karthik,
Per my understanding, there is an XML file contains attributes. You want to upload it to a SharePoint library as well as extract the values of those attributes to
save to the corresponding columns of the SharePoint library.
As it is an Online environment, a workaround I would suggest is that you can create a client application(such as Windows Form Application) to extract values from the
XML file, then upload the file to SharePoint library, submit the values to the same library afterwards. All this can be achieved using SharePoint Client Object Model.
How to: Complete basic operations using SharePoint 2013 client library code
http://msdn.microsoft.com/en-us/library/office/fp179912(v=office.15).aspx
About how to upload file to SharePoint library using Client Object Model:
http://blogs.msdn.com/b/sridhara/archive/2010/03/12/uploading-files-using-client-object-model-in-sharepoint-2010.aspx
About how to read XML from a file by using Visual C#:
https://support.microsoft.com/en-us/kb/307548?wa=wsignin1.0
Thanks 
Patrick Liang
TechNet Community Support
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