Open Solution from Command Line in Windows
: start MySolutionFolder/MySolution.sln /D MySolutionFolder/
devenv /edit FILE_PATH
Disabling File Preview on Solution Explorer Click
In Tools > Options > Environment > Tabs and Windows, you can disable it by unckecking “Solution explorer” under Preview tab.
I find it using the “Quick launch” new feature. Simply type “preview”, and a link to the setting will be suggested.