XEdit allows the user to view the files of a module in great detail- right down to the individual records it is comprised of, allowing users an extraordinary degree of control. MUM resolves some bugs with Fallout: New Vegas and improves mod compatibility during run-time by turning all mod files into Masters (ESM) and creating the special ONAM records that allow the mod files to work together smoothly.'
The FNVEdit Training Manualstates that 'the primary function of is to help you spot conflicts between mods and resolve them, as well as to prepare your mod-list for a smooth run-time with Master Update Mode (MUM). It is distinctly multipurpose, serving as a module (mod) viewer and editor as well as a conflict detector. Its most famous incarnation being TES5Edit for the Elder Scrolls V: Skyrim, XEdit is a multi-game application supporting both Fallout 3 ( FO3Edit) and Fallout New Vegas( FNVEdit).