If PageMaker 7.0 fails to open your 6.5 file, you can use these alternatives:
Several third-party tools are available that can help you convert PageMaker 6.5 files to 7.0. Some popular options include: pagemaker 6.5 to 7.0 converter
Do not waste hours trying to coax the native into working. Download the free trial of Markzware PM2ID. Convert your legacy file to InDesign, then export to IDML, and finally open in PageMaker 7.0 if you must. Better yet, use that IDML file to migrate permanently to InDesign. Your future self—and your document archive—will thank you. If PageMaker 7
Now that we've established the importance of converting your PageMaker files, let's explore the available methods: then export to IDML