I know that I can use Arrow Keys to collapse items of solution explorer one by one, but I would like to know if there is a way to collapse all items with only one operation. I w
Using Visual Studio 2017 and above
use shortcut
To Collapse All
Add a new shortcut for example Ctrl+Left Arrow,Ctrl+Left Arrow
To Expand All
Add a new shortcut for example Ctrl+Right Arrow,Ctrl+Right Arrow
Assign > OK