In addition to the fast document generation, the SpreadStreamProcessing can be adapted to import documents significantly faster than SpreadProcessing. This item has been moved to the Document Processing portal. It can be found here: https://feedback.telerik.com/Project/184/Feedback/Details/251942-spreadstreamprocessing-implement-workbook-import
Hi Mark, Thank you for sharing your feedback. I can see that your vote is already submitted so it affected the priority of the task. Continue following this item so you can be updated about status changes on it. Regards, Tanya
I strongly vote to implement workbook import functionality in SpreadStreamProcessing