What is a XOJO_WINDOW File Type?
You can save Xojo projects in three different formats: Project (text), Binary and XML. The format determines the format of the window. If you do not have a product license, you will only be able to save in the binary format, which very much resembles l' old binary format Real Studio.
To create the XOJO _ WINDOW file, select File → Export [window name]... select the save location, file name, and click Save.
To import the file XOJO _ WINDOW select File ↠ Import, browse to the location of the file, and then click Import.
Real Software Real Studio became Xojo, Inc. Xojo in 2013.