Where Does ATLauncher Store Instances?
ATLauncher Instances folder, configs and backups layout.
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ATLauncher keeps every modpack instance in an Instances folder inside its own directory, each a full .minecraft-style tree. Configs and backups sit beside them.
Instances move cleanly between machines. Copy one folder and the pack arrives intact.
Where ATLauncher stores this, by platform
%USERPROFILE%\ATLauncher\Instances
One folder per instance with saves, mods and configs inside. Launcher settings live in Configs.json in the ATLauncher parent. Portable installs relocate the whole ATLauncher tree; update Java paths afterward.
Frequently asked questions
How do I move an ATLauncher instance?
Copy its folder from Instances above into the same spot on the new machine. It registers on next launch.
Where are ATLauncher backups?
In the Backups folder beside Instances above. Automatic backups pile up, so prune them.
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