To export a Pedigree Forge file to GEDCOM, select “File” then “Export to GEDCOM” from the main menu bar:
You will then be asked to confirm how you wish to export the file:
As at the time of writing (2025), most other programs support GEDCOM 5.5.1, and so is probably the best choice. However, GEDCOM 7, does offer more options, which can be useful—for example, the ability to have rich text transfer—and so might be better if you know that the program you are exporting to supports version 7. In reality, you might want to export as both (selecting different file names for the output), and experiment with the importing program.
Version 7 also introduces the ability to export a zip file, which includes an other files linked—raw GEDCOM only transfers the data, not any linked files.