http://www.liveside.net/main/archive/2008/12/22/deep-zoom-composer-has-been-updated-documentation-and-bug-fixes.aspxWhen I found that I couldn’t open previous projects , I headed over to the Deep Zoom Composer Forum to let the team know of this problem . Kirupa was quick to respond to me and I’ve sent him one of the non-opening .dzprj files for investigation, as didenCommunityServer 2008.5 SP2 (Build: 40407.4157)