Max,

Thank you for the information. What about geni.com, familysearch.org, and others? 
 
Is any of these helpful or would recommend and so why so, and if not, why not?

https://www.familysearch.org/wiki/en/Windows_Genealogy_Software
https://www.microsoft.com/en-us/p/my-family-tree/9nblggh2k2xc?activetab=pivot:overviewtab 
https://www.dnaweekly.com/blog/best-family-tree-builders/ 
https://en.wikipedia.org/wiki/GEDCOM 
https://www.wikitree.com/wiki/Help:Splitting_a_GEDCOM 
https://support.rootsfinder.com/article/147-export-a-gedcom-from-other-programs 
https://support.ancestry.com/s/article/Uploading-and-Downloading-Trees 
https://faq.myheritage.com/en/article/how-do-i-upload-the-family-tree-file-i-generated-in-another-genealogy-program-to-family-tree-builder 

David Dubin
Chicago, IL