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Open the .job file or the .tpl file in a text editor. You will see something like:
%%Creator: Preps 910.50.0 build number 147 222 Macintosh
If the Preps version says Preps 5.3, the file has not been converted through PTMU.
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If you come across an issue where you are getting unexpected results, check Partner Place for Kodak Customer Portal for published articles that may offer more information. If you don’t find information, open a support call.