I guess you mean how to unlink a FM while while retaining the topics.
After importing, the link with FM is lost. Am I correct in this assumption?
As far as I know, you can only unlink whilst keeping data by modifying
the project files. So first make a backup before attempting this.
1. Make a backup.
2. Trash the CPD.
4. Open rhframedocs.apj in a text editor.
5. Remove all tags fm_doc that hold links to the documents you want to
make RH exclusive. (Keep the __GLOBAL__ file as that holds conversion
settings if I'm not mistaken.)
6. Save the file.
8. Open your RoboHelp project.