GEDCOM guides
GEDCOM is the plain-text file format genealogy programs use to exchange family trees. These guides explain the format, show how to export a GEDCOM from the most common services and programs, and list exactly what Family Trees reads and writes.
The format
What is a GEDCOM file?
The family tree file format every genealogy program understands, explained.
Importing a GEDCOM file into Family Trees
Upload a .ged in the browser, check the preview, and open your family as a tree.
GEDCOM tag reference: what Family Trees reads and writes
Exactly which GEDCOM tags, dates and character sets come in and go out.
Export from another app
How to export your family tree from Ancestry as a GEDCOM
Download your Ancestry tree as a .ged file from Tree Settings.
How to export your family tree from MyHeritage as a GEDCOM
Use Manage trees, then Export to GEDCOM, to get a .ged copy of your tree.
Getting your family out of FamilySearch as a GEDCOM
FamilySearch has no direct GEDCOM download. Here is the route that works.
How to export a GEDCOM file from Gramps
Use the Export Assistant in Gramps to write a .ged file, with privacy options.
How to export a GEDCOM file from RootsMagic
File, then Export: choose people, GEDCOM 5.5.1 and UTF-8, then save.
How to export a GEDCOM file from Family Tree Maker
File, then Export, choose GEDCOM as the output format, then save the .ged.