To show the custom grids, or other not present in the provided grid layouts, you need to create a custom grid layout. Edit>GridLayout>CreateNew.
If you what to collect other applications custom fields link the PDFE custom fields, using the Database>CustomFieldsSettings dialog, to these other custom fields names, and next scan the files using the direct scan DiskTree mode. If these files are already indexed use the Database>Edit tool to delete these folders from the database, and force this way PDFE to do a fresh scan on these folders.
If you are not referring to this, please specify.