The Visual Studio IDE Output window displays status messages for various features with in IDE include build errors, compilation error, Project configuration information, that occur when a project is compiled. This window is very much important to see what your application doing during build. Now, this windows is by default turn off. So when ever you want to see the output window during build time, you have to go to “View > Output”
or using shortcut key off “Ctrl + W , O”
Now, to reduce the redundant effort, if you want to see the output window every time, whenever your build start, you need to do a small settings.
You can do a small settings from Tools > Options > Project and Solutions
, then Select “Show Output window when build starts”
With this settings your Output window will always launch with the project build .