Combines the "Collapse All" and "Sync with Active Document" into one command.
This extension is the successor to "Solution Explorer Tools" - /vsgallery/ef4ac3e9-d056-4383-8ca2-11721bd879b4
Use this extension for Visual Studio 2012 and above and use Solution Explorer Tools for Visual Studio 2010
Collapse and sync is open source. You can find the source here.
Version 1: Original Release
Version 2: New Icon
Version 3: Fixed bug which threw a COM exception when no solution or active document.
Version 4: Supports Visual Studio 2013
Version 5: Supports Visual Studio 2015
Version 6: Supports Visual Studio "15"