With 'Project' 'Rebuild all', unlike the incremental compilation, the project is completely recompiled. Download information is not discarded, however, as is the case with the command 'Project' 'Clean all'. Note the possibility to exclude objects from compilation.
⮫ “'Project' 'Load download information'”
See 'Online' 'Login' for a diagram showing the relations between Project-Build, Project-Download, Online Change and Login on the target system.