Set common output and input directories you would like the projects to share.
Common Settings
Enable Common Output Directories
Select this option to set all the generated Compile Delphi Win32 Project Actions with the same output directory settings.
Output Directory
Unit Output
Package Output
...
DCP Output
...
Enable Common Input Directories
Select this option to set all generated Compile Delphi Win32 Project Actions with the same input directory settings.
Search Path
Library Path