To manage your characters, you first need to know where they live. Depending on your version of the game and your operating system, the location varies:
Many "Holy Grail" players download save files that are essentially "mules" packed with every Unique and Set item in the game. diablo 2 lod character save files
Always before importing new ones. Character files are easily corrupted if you move them while the game is running or if you use incompatible mods. To manage your characters, you first need to