Where Does the Copilot App Store Data?
Copilot packaged app LocalState cache and chat history notes.
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The Copilot app is a packaged WebView2 shell, so its cache and settings sit in the package LocalState while conversations live on your Microsoft account. Clearing local data signs out nothing important.
Chat history follows the account across devices. Local files are disposable web cache.
Where Windows stores this, by platform
%LOCALAPPDATA%\Packages\Microsoft.Copilot_<id>\LocalState
WebView2 cache and app settings inside; the package ID suffix varies per install, so search Packages for Copilot. Conversations live server-side. Reset the app in Settings Apps when the shell misbehaves.
Frequently asked questions
Does clearing Copilot data delete chats?
No. Conversations live on your Microsoft account. LocalState above holds cache only.
Where is Copilot key remapping stored?
In Windows Settings, not the folders above. The Copilot key assignment survives app resets.
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