Where Does Sidekick Store Your Profile?
Sidekick profile folders on Windows, macOS and Linux, and the sidekick://version page that prints the running path.
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Sidekick is Chromium underneath, so it follows the Chromium data layout with its own folder name. The profile itself sits in a Default folder, with workspaces, sessions and extensions stored as siblings and subfolders inside it.
Folder names can shift between install types, so the dependable method is typing sidekick://version into the address bar. The Profile Path row prints the exact location for the running install. Copy the whole user data folder with the browser closed when migrating machines.
Where Sidekick stores this, by platform
%localappdata%\Sidekick\User Data\Default
Confirm on sidekick://version, which prints Profile Path for the running install. The Cache folder beside Default is safe to clear when Sidekick grows on disk.
~/Library/Application Support/Sidekick/User Data/Default
Same Chromium interior as Windows. Library is hidden, so use Go to Folder in Finder or read the path from sidekick://version.
~/.config/sidekick/User Data/Default
Follows the XDG config home. Snap or Flatpak installs keep their own trees, so check sidekick://version if this folder is missing.
Frequently asked questions
How do I find my Sidekick profile folder?
Type sidekick://version into the address bar and read the Profile Path row. That path reflects the install actually running, which settles version and packaging differences.
How do I move Sidekick to a new computer?
Close the browser on both ends and copy the whole User Data folder across. Sign back into Sidekick account sync after, since local sessions and cloud workspaces merge on first launch.
Notice an outdated path? Let us know.