Where Does 3D Slicer Store Settings?
3D Slicer keeps settings in per-OS config with scenes you save yourself. Back up scenes plus config together.
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3D Slicer stores settings in per-OS config locations with scenes as files you save by hand. Volumes stay where your dataset lives. Extensions add their own folders beside settings.
Treat scene files as portable only with data alongside. Exact config filenames vary by release, so confirm inside Edit Preferences when paths differ. Back up scenes plus config for full moves.
Where 3D Slicer stores this, by platform
%APPDATA%\NA-MIC (scenes wherever saved)
Settings in per-OS config with scenes wherever saved. Extensions beside settings. Copy scenes plus config for moves.
~/.config/NA-MIC (scenes wherever saved)
Same split between config and saved scenes. Confirm paths in preferences across versions.
~/Library/Application Support/NA-MIC
Same split. Keep datasets beside scenes when moving machines.
Frequently asked questions
How do I move a Slicer scene?
Copy your scene files plus the config folder to matching paths. Scenes reference data by location. Settings rebuild when missing.
My work vanished on reopen. Why?
Save the scene explicitly to a .mrb or .mrml file first. Views alone do not persist. Keep scenes beside their volumes.
Notice an outdated path? Let us know.