The ME3 Coalesced Utility allows you to open the Coalesced.bin file that comes with Mass Effect 3. The latest version now supports editing and saving the file. The utility will make a backup of any file loaded (filename.bin.original).
1.2 – Supports adding and renaming items in the tree
1.1 – Supports editing
1.0 – Doesn’t support editing
.net Framework 4 (Client Profile) is needed. Download it here.