Options│Open leads to the Open Options dialog box. In this dialog box, you retrieve the settings you've saved to a .TP file with the Options│Save command.

The Open Options dialog box contains:

When you start Borland Pascal, it looks in the current directory for the saved option file. If it doesn't find the file there, it looks for it in the Borland Pascal directory (where TURBO.EXE or BP.EXE is run from).