By Default SharePoint2010 provides 50MB files to be upload to the server. If you want to extend upload size to server then you can do it in two ways. Through Central Admin: Navigate Central Admin -> Application Management -> Manage Web Application -> Select your web application -> General Setting. It contains Maximum Upload Size. Configure this to set maximum upload file limit. But you have to take care about the maxAllowedContentLength and maxRequestLength from the web.config file. To update web.config its very harmful if any other...