OK, so I found a way to get data from specific cells in Excel to populate SharePoint via publish and sync (using an add-in). Now, is there anyway to accomplish the same thing when uploading excel to a document library? For example, I fill out data in my spreadsheet, and then upload it to a document library in SharePoint. I want only specific fields to populate columns in the document library, because that's what the workflows will be based off. But I need the spreadsheet to be IN the document library because I need to send a link to the spreadsheet as part of the workflow.