A single character isn't just one file; it’s a collection of data. When you look in your save folder, you will see several files sharing your character's name with different extensions:
can't find my character save files on my pc anywhere : r/diablo2 diablo 2 lod character save files
Elias and his father drove back in silence. The technician handed Elias a single, unlabeled 3.5-inch floppy disk. "The directory tree was gone," the tech said. "I had to carve the raw data out of the disk clusters. I found four files that looked like D2 saves. Two were corrupted. One was an old Level 12 Amazon. The last one... well, see for yourself." A single character isn't just one file; it’s
: The primary binary file containing your character's stats, skills, quest progress, and inventory [CharacterName].d2x "The directory tree was gone," the tech said
If you use the popular "PlugY" mod, this file stores your infinite personal stash. .sss: This is your "Shared Stash" file for mods like PlugY. 3. How to Install Downloaded Character Saves