If you are struggling to open or manage old and unsupported Family Tree Maker (FTM) files from versions 2008–2024 on Windows, you are not alone. Many users face challenges when trying to access, convert, or sync their older FTM files with the latest software. Unsupported file formats can cause errors, prevent smooth syncing with Ancestry, and even lead to data loss if not handled properly. That’s why it’s important to know the right steps to fix these issues.