Just to update my thread. I've been told that Cp6 and Cp7 projects, which are opened and saved in Cp8, are in fact upgraded to version 8. The persistent "project will be upgraded" prompt should be fixed in Cp8.1. We'll see about that. But here's what's interesting to me. This behavior doesn't seem to be an issue with Cp templates. Here's what I've done. I'm curious to see if it works for others too. Open a Cp6 or Cp7 template from Cp8. Now save it from Cp8, okay the prompt for updating from previous version, and close the cptl file. Now create a new Cp8 project from that updated template. Saving the new untitled1.cptx file gets no version update prompt. However if I open a cptx project from Cp6 or Cp7, save it as a cptl template, then try to save that cptl file from Cp8, I still get the update prompt. I think it's because the file was a cptx at one point. What I can do though is create a new project from the updated Cp8 template I described above. Then open my previous version project and copy the slides over to the new file. Assuming that project and the template have the same master slides, theme, etc. everything seems to look correct. The new file, with the slides from the previous version, now saves without issues. You will have to set the project preferences, TOC, and such. If it's actually true that simply opening the project updates the files, even with the persistent prompt, then I'm not sure that jumping through these template hoops is worth it. I think that I will keep working for now, converting my content to Cp8, and wait for version 8.1 to see if this is fixed. I should probably work with copies of the previous version files just in case.
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