 NORWALK, Conn.--BUSINESS WIRE--Datto Holding Corp. Datto NYSE: MSP, the leading global provider of cloud-based software and security solutions purpose-built for delivery by managed service providers MSPs, today announced its financial results for the first-quarter ended March 31, 2021. Our first quarter results represented a great start to the year, said Tim Weller, Dattos Chief Executive Officer. We delivered subscription revenue growth of 17 year over year, added 300 net new part 